“PENGEMBANGAN LEMBAR KERJA SISWA (LKS) BERBASIS GROUP INVESTIGATION (GI) PADA MATERI SISTEM PERNAPASAN DI KELAS VIII SMP NEGERI 4 PEMATANG SIANTAR”. Jurnal Metabio 5, no. 1 (April 15, 2023): 80–88. Accessed May 21, 2025. https://jurnal.usi.ac.id/index.php/jpbm/article/view/275.