Nuraida, D. and Aminatun, L. . (2021) “VALIDITAS LEMBAR KERJA (LKS) BERBASIS GROUP INVESTIGATION (GI) PADA MATERI PENCEMARAN LINGKUNGAN”, Prosiding SNasPPM, 5(2), pp. 257–261. Available at: http://prosiding.unirow.ac.id/index.php/SNasPPM/article/view/417 (Accessed: 5 May 2024).