Awal, Hasri, and Irma Andriani. “Penerapan Panel Surya Untuk Aktifitas Pendidikan Di SD Negri 23 V Koto Timur”. Majalah Ilmiah UPI YPTK 29, no. 1 (June 29, 2022): 73–78. Accessed June 29, 2026. https://jmi-upiyptk.org/ojs/index.php/jmi/article/view/112.