“Implementasi Pompa Air Tenaga Surya Untuk Kebutuhan Air di Sekolah Dasar Negeri Kecil Lalumpe Minahasa : Implementation of Solar-Powered Water Pump at Lalumpe State Elementary School in Minahasa”, TTJPM, vol. 1, no. 2, pp. 79–86, Aug. 2023, Accessed: Sep. 07, 2026. [Online]. Available: https://ejournal.unsrat.ac.id/v3/index.php/TTJPM/article/view/52087