Harahap, Partaonan, Irfan Nofri, and Sudirman Lubis. “PLTS 200 Wp to Meet Energy Needs at the Taqwa Muhammadiyah Mosque, Sei Litur Village, Sawit Sebrang Langkat District”. Journal of Innovation and Community Engagement 1, no. 1 (March 10, 2021): 60–71. Accessed May 5, 2024. https://journal.maranatha.edu/index.php/ice/article/view/3380.