Acharya, Sujan, and Anand Tewari. “Spreadsheet Implementation for Optimization of Power Flow Network Problem: A Case Study of Kathmandu Valley”. SCITECH Nepal 14, no. 1 (September 9, 2019): 44–49. Accessed November 23, 2024. https://nepjol.info/index.php/scitech/article/view/25533.