“Meta-Analisis Validitas Booklet Materi Ekosistem Sebagai Suplemen Bahan Ajar Biologi Kelas X SMA”. BIOCHEPHY: Journal of Science Education 1, no. 2 (December 28, 2021): 51–57. Accessed November 10, 2026. https://www.journal.moripublishing.com/index.php/biochephy/article/view/255.