Raheem, Abdur, Mohammad Yusri Hassan, Rabia Shakoor, and Nadia Rasheed. 2015. “Economic Feasibility of Stand-Alone Wind Energy Hybrid With Bioenergy from Anaerobic Digestion for Electrification of Remote Area of Pakistan”. International Journal of Integrated Engineering 6 (3). https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/1026.