Rahmadini, Fadhilla, Yenni Darvina, Gusnedi Gusnedi, and Silvi Yulia Sari. 2024. “Validity And Practicality of PjBL-Based Teaching Materials Environmental Pollution For Physics Phase E”. Jurnal Pendidikan Tambusai 8 (1):7480-92. https://doi.org/10.31004/jptam.v8i1.13528.