H. M. Fargli, F. H. Fahmy, and M.A. H.EL-Sayed, “Artificial Intelligence Techniques for Controlling PV- Wind Powered Rural Zone in Egypt”, International Conference on Renewable Energies and Power Quality (ICREPQ’09). Valencia (Spain), 15th-17th April, 2009.
 Muhammad Abdillah, “Design of Interval Type 2 Fuzzy Logic Controller for DC-DC Zeta Converter”, International Journal of Electrical Electronics Research & Innovation (IJEERI), ISSN 2301-6132, Vol.2, No.1, March, 2013.
 Margo Pujiantara, Muhammad Abdillah, “Directional Over Current Relays (DOCRs) Coordination by Interval Type 2 Fuzzy Adaptive Particle Swarm Optimization (IT2FAPSO)”, International Journal of Academic Research, Vol. 4. No. 3. May, 2012.
 Margo Pujiantara, Muhammad Abdillah, ”Intelligent Over Current Relays Based on Interval Type 2 Fuzzy Logic Approach”, Proceeding of 2012 International Conference in Green and Ubiquitous Technology, IEEE Catalog Number: CFP1256R-PRT, ISBN: 978-1-4577- 2170-0, July 7th - 8th, Bandung, Indonesia, 2012.
 Adi Soeprijanto, Muhammad Abdillah, “Type 2 Fuzzy Adaptive Binary Particle Swarm Optimization for Optimal Placement and Sizing of Distributed Generation”, Preceedings of The 2nd International Conference on Instrumentation, Communication, Information Technology and Biomedical Engineering 2011, Indonesia, IEEE Catalog Number: CFP1187H-CDR, ISBN: 978-1-4577- 1165-7, Nopember 7th-8th, 2011.
 A. B. M. Nasiruzzaman and M. G. Rabbani, “Implementation of Genetic Algorithm and Fuzzy Logic in Economic Dispatch Problem”, The 5th International Conference on Electrical and Computer Engineering ICECE 2008, 20-22 December 2008, Dhaka, Bangladesh.