1. Alias, N., Abd. Rahman, N., and Sukirman, Y (2000). Migration of Light Nonaqueous Phase Liquid (LNAPL) in Unsaturated Zone.” Seminar on Construction. UTM, Johor.
2. Abd. Rahman, N, Alias, N and Sukirman, Y. (2001). Study of Hydrocarbon Migration in Subsurface Systems. BROWNFIELD 2001: 1st National Conference on Contaminated Land. 14-15 February 2001.
3. Abd. Rahman, N., Alias, N., Ansari, K and Othman, N. (2005). Evaluation Study for Infiltration in Sewerage System. Prosiding Seminar Kebangsaan Penyelidikan Kejuruteraan Awam (SEPKA 2005). Malaysia: Fakulti Kejuruteraan Awam, UTM. 144-151.
4. Alias, N., Abd. Rahman, N and Sukarti, M.Y. (2005). Influence of Volume and Type of Spillage on Light Nonaqueous Phase Liquid (LNAPL) Migration. Prosiding Seminar Kebangsaan Penyelidikan Kejuruteraan Awam (SEPKA 2005).: Fakulti Kejuruteraan Awam, UTM. 159-163.
5. Mohd Nor, F., Alias, N., (2006). Improvement of Learning Skill through Assessment of Course Outcomes. Paper presented at UPSI Regional Seminar and Exhibition on Education Research. Putra World Trade Centre, Kuala Lumpur.
6. Abd Rahman, N., Othman, M.A.R., Alias, N., Mohd Salleh, S.S., Othman, N., Mohamad, A.F., Ansari, K. (2006). Evaluation of Design Criteria for Inflow and Infiltration of Medium Scale Sewerage Catchment System. Project Report. Faculty of Civil Engineering. Universiti Teknologi Malaysia.
7. Abd Rahman, N., Abu Hassan, S., Alias, N., Othman, S.R., Romali, N.S., Shukri, M.F. (2008). Application of GFRP Rubbish Trap in Open Channel System. Paper presented at the 6th Seminar on Water Management (JSPS-VCC). Universiti Teknologi Malaysia.
8. Abd Rahman, N., Alias N., Romali N.S., Othman, N. (2009). Evaluation of Gross Pollutant Traps (GPTs) for Open Channel System. Paper presented at the International Conference on Water Resources, ICWR 2009, Langkawi,1-7.
9. Alias, N., Egodawatta, P., Goonetilleke, A. (2013). First Flush Analysis in Urban Catchment. Proceedings of the 16th Internationa Conference on Diffuse Pollution and Eutrophication, International Water Association, Beijing, China.
10. Alias, N., A., Egodawatta, P., Goonetilleke, A. (2015) Investigation on parameters influence first flush occurrence in urban residential catchment. The 3rd International Conference on Water Resources ICWR2015.24-25th December 2015, Bayview Hotel, Langkawi, Kedah.
11. Alias, N., Mohd Yusof, A, A., Nor Anuar, A., Azman, S., Alias, N.E (2015) Drought Analysis using Streamflow Drought Index JSPS Asian Core Program (5th Comprehensive Symposium), 17-22 December 2015, Kyoto Universiti, Japan
12. Alias, N., Mohd Yusof, A, A., Nor Anuar, A., Hanapi, M, N., Haron, S., (2016) Investigation of Drought Phenomenon Using Streamflow Drought Index, Joint Conference; The 11th International Civil Engineering Post Graduate Conference – The 1st International Symposium on Expertise of Engineering Design, 26-27th September 2016, Universiti Teknologi Malaysia, Malaysia.
13. Alias, N., Nor Anuar, A., Azman, S.,Jauhari, Z., (2017) Drought Analysis using Standard Precipitation Index, 2nd International Sysmposium on Expertise of Engineering Design, 9-11 May 2017, Kyocera Hotel, Kagoshima, Japan.
14. Alias, N., Goonetillee, A., Egodawatta, P., (2017), First Flush of Stormwater Runoff from Urban Residential Catchments, 2nd International Sysmposium on Expertise of Engineering Design, 9-11 May 2017, Kyocera Hotel, Kagoshima, Japan
15. Zuraini, N.A, Alias, N, Abd Rahman, N, Harun, S, Ibrahim, Z, Azman, S and Jumain, M., (2017) Influence Of Rainfall Characteritics On Total Suspended Solid Concentration, International Postgraduate Conference on Engineering, Science and Technology 2017, 1st Nov 2017, Malaysia
16. Jumain, M, Ibrahim, Z, Ismail, Z, Entalai, K, Makhtar, M.R, M S A Rahman, M.S.A and Alias, N., (2017), Influence of Riparian Vegetation on Flow resistance in Mobile Bed Straight Compound Channels, International Postgraduate Conference on Engineering, Science and Technology 2017, 1st Nov 2017, Malaysia.
17. Halit, A.L, Azman, S, Mohd Said, A.A, Alias, N, and Ali, N., (2017), Cadmium and Chromium Accumulation in Cocklees along estuary of Sungai Tampok and Sungai Sanglan, International Postgraduate Conference on Engineering, Science and Technology 2017, 1st Nov 2017, Malaysia.
