- Nor Aziran Awang, Normah Maan : Analysis of Tumor Populations and Immune System Interaction, Simposium Kebangsaan Sains Matematik ke-23 (SKSM23), Johor Bahru, 2015.
- Nor Atirah Izzah Zulkefli, Normah Maan, etc.: Fuzzy Logistic Equation by Polynomial Interpolation, Simposium Kebangsaan Sains Matematik ke-23 (SKSM23), Johor Bahru, 2015.
- Laheeb Muhsen, Normah Maan : Solving First-Order Delay Differential Equation by Symmetry Lie Group, International Conference On Applied Analysis and Mathematical Modeling (ICAAMM2015), Istanbul (Turkey), 2015.
- Nor Aziran Awang, Normal Maan : Delay Differential System for Interaction Between Tumor and Immune Responses, International Conference On Applied Analysis and Mathematical Modeling (ICAAMM2015), Istanbul (Turkey), 2015.
- Laheeb Muhsen, Normah Maan : Lie Group Analysis of Second Order Non-Linear Differential Equations with Retarded Argument. Advances in Mathematics and Statistical Sciences, 9th International Conference on COMPUTER ENGINEERING and APPLICATIONS (CEA ’15), 2015.
- Normah Maan, Laheeb Muhsen : Classification of Second Order Non-Linear Neutral Delay Differential Equations to Solvable Lie Algebra, IMG-GT International Conference on Mathematics, Statistics and Its Applications (ICMSA), Kuala Terengganu, 14-16 Oct 2014.
- Normah Maan, Laheeb Muhsen : Classification of Second Order Non-Linear Retarded Delay Differential Equations to Solvable Lie Algebra, Simposium Kebangsaan Sains Matematik ke-22 (SKSM22), Shah Alam, Selangor, 24-26 Dec 2014.
- Normah Maan, Izaz Ullah Khan, Nur Atirah Izzah Zulkefli : The Notion of Stability of A Differential Equation and Delay Differential Equation Model of HIV Infection of CD4+ T-Cells, Proceeding of The 2013 International Conference on Applied Mathematics and Computational Method, Venice Italy, 28-30 Sept 2013.
- Nur Atirah Izzah Zulkefli, Normah Maan : The Existence and Uniqueness Theorems of Fuzzy Delay Differential Equations, 4th ICOWOBAS-RAFSS 2013, Johor Bharu, Malaysia, 3-5 September, 2013.
- Khabat Barzinji, Normah Maan, Nor’aini Aris : Linear Fuzzy Delay Systems- Analysis on Stability of Steady State, 4th ICOWOBAS-RAFSS 2013, Johor Bharu, Malaysia, 3-5 September, 2013.
- Vahideh Rezaie, Tahir Ahmad, Masumeh Khanmohammadi, Siti Rahmah Awang, Normah Maan : Rangking the Multiple Intelligence for People with Epilepsy in Data Envelopment Analysis, 4th ICOWOBAS-RAFSS 2013, Johor Bharu, Malaysia, 3-5 September, 2013.
- Normah Maan, Khabat Barzinji, Nor’aini Aris : Fuzzy Delay Differential Equation In Predator-Prey Interaction: Analysis On Stability Of Steady State, The World Congress on Engineering, International Association of Engineer, London, 3-5 July,
- Rezaie, V., Ahmad, T., Maan, N., Awang, S.R. : A Conceptual Framework for Ranking the Multiple Intelligences of People with Epilepsy, International Conference on Statistics in Science, Business, and Engineering (ICSSBE), Langkawi, Malaysia, 10-12 Sept, 2012.
- Amidora Idris, Tahir Ahmad and Normah Maan : Method of Quantitative Imaging Technique, Presented at Mathematical Neuroscience Lab, RIKEN Brain Science Institute, Japan, January 15, 2010.
- Nurul Nadiya Abu Hassan, Jamalludin Talib and Normah Maan.: Molarity Model of Mass Transfer For Extraction In Rotating Disc Contactor (RDC) Column, Proceedings of the 1st Regional Conference on Applied and Engineering Mathematics (RCAEM-I), 2010.
- Amidora Idris, Siti Rahmah Awang, Tahir Ahmad, Rasimah Aripin, Md. Hanip Rafia, Normah Maan and Jafri Malin Abdullah : Comparison Between Clustering Analysis of Multiple Intelligence Test and EEG Signal of Epileptic Patients, Proceeding 5th Asian Mathematical Conference (AMC), Vol III, (2009), ISBN 978-967-5417-55-9, pp589-596, Kuala Lumpur, June 22-26, 2009.
- Amidora Idris, Tahir Ahmad and Normah Maan.: Non-Polar CEEG: Extension of Flat Electroencephalography during Epileptic Seizure, Proceeding ESciNano Annual Symposium, The Regency Zon Hotel, Johor Bahru, 30 November-1 December, 2009.
- Normah Maan & Tahir Ahmad : Fuzzy Number in Determining the Optimal Solution of Multiple Input Multiple Output (MIMO) System, International Conference on Computational Intelligence for Modeling, Control and Automatio, Vienna, Austria, Dec 10-12, 2008.
- Amidora Idris, Tahir Ahmad & Normah Maan : Homeomorphism Between Sphere and Cube, Regional Annual fundamental Science Seminar 2008 (RAFSS2008), Institut Ibnu Sina, UTM, May27-28,
- Amidora Idris, Tahir Ahmad, & Normah Maan.: Construction of Homeomorphism Between Generalized Sphere And Cube, Simposium Kebangsaan Sains Matematiks Ke 16, Hotel Renaissance Kota Bharu, Kelantan, 3-5 Jun, 2008.
- Normah Maan & Tahir Ahmad : 2-Dimensional Fuzzy Number in Multi-Stage Dynamical System: An Improved Algorithm, 2nd International Conference on Mathematical Sciences 2007 (ICOMS-2), Universiti Teknologi Malaysia, Johor, Malaysia, 2007.
- Normah Maan & Tahir Ahmad : 2-Dimensional Fuzzy Number in Multi-Stage Dynamical System: An Improved Algorithm, 2nd International Conference on Mathematical Sciences 2007 (ICOMS-2), Universiti Teknologi Malaysia, Johor, Malaysia, 2007.
- Normah Maan.: Inverse Modelling of Mass Transfer Process In A Multi-Stage RDC Column. Seminar Jabatan Matematik, Fakulti Sains UTM, Skudai, 8 Mac 2006.
- Maan, J. Talib, K.A.Arshad, T. Ahmad : On Inverse Problem of The Mass Transfer Process in the Multiple Stages RDC Column: Fuzzy Approach, Presented in International Conference on Inverse Problem: Modeling and Simulation, Fethiye, Turkey, June 7-12, 2004.
- Normah Maan, Jamalludin Talib, Khairil Anuar Arshad & Tahir Ahmad : On Mass Transfer Process In Multiple Stages RDC Column: Inverse Problem , Prosiding Simposium Kebangsaan Sains Matematik Ke 11- (2003)
- Maan, J. Talib, K.A.Arshad, T. Ahmad : Inverse Modeling Of Mass Transfer Process In The RDC Column by Fuzzy Approach, Presented in 7th WSEAS International Conference on Circuits, Systems, Communication and Computers, Corfu Holiday Palace Hotel, Corfu Greece July 7-10, 2002.
- Normah Maan, Jamalludin Talib & Khairil Anuar Arshad : Mass Transfer Model of a Single Drop in the RDC Column, Prosiding Simposium Kebangsaan Sains Matematik Ke 10– (2002)
- Normah Maan. Kestabilan Komoditi Tungal Dengan Menggunakan Kaedah langsung lyapunov. Seminar Jabatan Matematik, Fakulti Sains UTM, Skudai, 25 Jun 1997
- Normah Maan & Yusof Yaacob : Kestabilan Harga Dalam Industri Ternakan melibatkan Persamaan Pembeza Lengah. Prosiding Simposium Kebangsaan Sains Matematik Ke VII– (1996)
- Normah Maan. Persamaan Terbitan lengah. Seminar Penyelidikan dan Pengajian Siswazah Fakulti Sains, 24 & 25 Oktober, 1995