NURAIDA, Dede; AMINATUN, Liya. VALIDITAS LEMBAR KERJA (LKS) BERBASIS GROUP INVESTIGATION (GI) PADA MATERI PENCEMARAN LINGKUNGAN. Prosiding SNasPPM, [S. l.], v. 5, n. 2, p. 257–261, 2021. Disponível em: http://prosiding.unirow.ac.id/index.php/SNasPPM/article/view/417. Acesso em: 6 may. 2024.