Akram, Umer, Ahmad Nazar, Muhammad Imran, Nadeem Ahmad, and Hafiz Muhammad Zubair. “Experimental Analysis and Cost Comparison of Evacuated-Tube Solar Water Geyser With Flatbed Solar Water Geyser Fabricated As Per Local Conditions of Pakistan”. Pakistan Journal of Engineering and Technology 2, no. 2 (December 31, 2019): 17–21. Accessed July 6, 2025. https://journals.uol.edu.pk/pakjet/article/view/107.