Saputra Sidabutar B, A. Abdullah N, Abdul Rahman N, Amir F. Thermal Performance Enhancement of Solar Water Heaters Using Phase Change Materials in Flat Plate Collectors. Teknik [Internet]. 2024Dec.30 [cited 2024Sep.19];11(02):92-9. Available from: https://ejurnalunsam.id/index.php/jurutera/article/view/10363