Rahmadini, Fadhilla, Yenni Darvina, Gusnedi Gusnedi, and Silvi Yulia Sari. “Validity And Practicality of PjBL-Based Teaching Materials Environmental Pollution For Physics Phase E”. Jurnal Pendidikan Tambusai 8, no. 1 (February 7, 2024): 7480–7492. Accessed February 5, 2025. http://jptam.org/index.php/jptam/article/view/13528.