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 [Internet]. 2023 Aug. 21 [cited 2026 Sep. 7];1(2):79-86. Available from: https://ejournal.unsrat.ac.id/v3/index.php/TTJPM/article/view/52087