Wahid, S.S.A., Ramli, M.S., Noorden, Z.A., Hassan, K.K., Azli, S.A.: A Review on Highlights and Feasibility Studies on Solar Energy Utilization in Malaysia, AIP Conference Proceedings, Vol. 1875, No. 030014, 2017.

Yaacob, M.F.M., Noorden, Z.A., Jamian, J.J.:  Electrochemical impedance behavior of glass wool-based supercapacitors with different concentration of sulfuric acid, The 6^th IEEE International Conference on Power and Energy, 16 June 2017, Article number 7951654, pp. 723-727, 2017.

Yaacob, M.F.M., Noorden, Z.A., Jamian, J.J: Charge-discharge cyclability of ultracapacitor with glass wool separator under high concentrated sulfuric acid, The 6^th IEEE  International Conference on Power and Energy, 16 June 2017, Article number 7951653, pp. 718-722, 2017.

Azahan, N.A.N., Jamian, J.J.,  Noorden, Z.A.: Analysis of relationship between acceleration and battery state-of-charging in electric vehicle, The 6^th IEEE International Conference on Power and Energy, 16 June 2017, Article number 7951550, pp. 150-154, 2017.

Nasrur Rasyadi Md Rafie, Zulkarnain Ahmad Noorden: Performance Study of Supercapacitor-Battery Integration Scheme for Energy Storage System, The 10^th South East Asian Technical University Consortium (SEATUC2016) Symposium, 2016 (Tokyo, Japan).

Mohd Ferdaus Mohammad Yaacob, Zulkarnain Ahmad Noorden: Cyclability Performance of Electric Double Layer Capacitor with Glass Wool, The 10^th South East Asian Technical University Consortium (SEATUC2016) Symposium, 2016 (Tokyo, Japan).

Zulkarnain Ahmad Noorden, Mohd Ferdaus Mohammad Yaacob, Mohd Hafizi Ahmad & Lau Kwan Yiew: Atmospheric Plasma Discharge Treatment on Activated Carbon Electrode for Ultracapacitor, 2016 Malaysian High Voltage Network (MyHVnet) Colloquium, 2015 (Johor Bahru, Malaysia).

M. Yusoff, Y. Z. Arief, Z. A. Noorden, Z. Adzis, N. Bashir, N. A. Muhamad, M. H. Ahmad, M. A. B. Sidik: Development of A Remote Accessible Electrical Power Measuring System for Domestic Customer, Jurnal Teknologi, Vol. 77, No. 2, pp. 105-108 (2015).

Zulkarnain A. Noorden, Satoshi Matsumoto: A New Circuitry Model for Electric Double Layer Capacitor, The 8^thSouth East Asian Technical University Consortium (SEATUC2014) Symposium, 2014 (Johor Bahru, Malaysia).

Zulkarnain A. Noorden, Sougoro Sugawara, Satoshi Matsumoto: Glass Wool Material as Alternative Separator for Higher Rating Electric Double Layer Capacitor, The 223rd Electrochemical Society (ECS) Meeting, 2013 (Toronto, Canada).

Zulkarnain A. Noorden, Satoshi Matsumoto: Electrochemical Study on Electric Double Layer Capacitor with Glass Wool Separator, The 7^th South East Asian Technical University Consortium (SEATUC2013) Symposium, 2013 (Bandung, Indonesia).

Zulkarnain A. Noorden, Ryuichi Ogura, Satoshi Matsumoto: Electrochemical Properties of New Carbon Materials for Supercapacitor Application, The 6^th South East Asian Technical University Consortium (SEATUC2012) Symposium, 2012 (Bangkok, Thailand).

Zulkarnain A. Noorden, Tomoya Hirabayashi, Mitsuru Fujisaki, Satoshi Matsumoto: Preparation of Microporous Carbon and its Electrochemical Performance for Electric Double-Layer Capacitors Application, 2011 International Symposium on Electrical Insulating Material (ISEIM2011), 2011 (Kyoto, Japan).

Zulkarnain A. Noorden: New Carbon Material for Higher Rating of Electric Double-Layer Capacitor, The 5^th South East Asian Technical University Consortium (SEATUC) International Intensive Workshop (IIW2011), 2011 (Hanoi, Vietnam).

Zulkarnain A. Noorden, Tomoya Hirabayashi, Mitsuru Fujisaki, Satoshi Matsumoto: Large Capacitance Measurement for Electric Double-Layer Capacitors, The 5^th South East Asian Technical University Consortium (SEATUC2011) Symposium, 2011 (Hanoi, Vietnam).

Ryuichi Ogura, Zulkarnain A. Noorden, Nguyen Nhat Nam, Satoshi Matsumoto: Comparison of Terahertz and Infrared Spectroscopy for Degraded Hydrocarbon Liquid, 2012 IEEE Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2012), pp. 455-458, 2012 (Montreal, Canada).

Sougoro Sugawara, Zulkarnain A. Noorden, Ryohei Okaoto, Satoshi Matsumoto: New Carbon Material Derived from Mixture with Lubricating Oil and Sulfuric Acid and its Electric Property for EDLC, 2012 IEEE International Conference on Condition Monitoring and Diagnosis (CMD 2012), pp. 350-352, 2012 (Bali, Indonesia).

Tatsuya Konno, Zulkarnain A. Noorden, Satoshi Matsumoto, Kiyoshi Umezu: Detection of Partial Discharge Characteristics using Capacitive Damping Circuit, 2011 International Conference on Electrical Engineering (ICEE2011), 2011 (Kowloon, Hong Kong).

Zulkurnain Abdul-Malek, Zulkarnain A. Noorden, Novizon: Assessment of Zinc Oxide Varistor Degradation using Return Voltage Measurements Method, 2010 International Conference on Condition Monitoring and Diagnosis (CMD2010), 2010 (Tokyo, Japan).

Zulkurnain Abdul-Malek, Zulkarnain A. Noorden, Novizon Yusoff: The Interpretation of Return Voltage Curve of Zinc Oxide Varistor based on a New Diagnostic Parameter, The 45^th International Universities’ Power Engineering Conference (UPEC2010), 2010 (Wales, UK).

Zulkurnain Abdul-Malek, Zulkarnain A. Noorden: Return Voltage Measurements to Investigate the Degradation of Zinc Oxide Varistors, 2010 CIGRE Colloquium on Lightning and Power Systems, 2010 (Kuala Lumpur, Malaysia).