RISHFAH, RICA. PENERAPAN MODEL KOOPERATIF TIPE GROUP INVESTIGATION PADA PEMBELAJARAN IPA TERPADU TEMA PENCEMARAN AIR DI SMP WALISONGO SEMBAYAT. PENSA: E-JURNAL PENDIDIKAN SAINS, [S. l.], v. 1, n. 03, 2013. Disponível em: https://ejournal.unesa.ac.id/index.php/pensa/article/view/3870. Acesso em: 25 jun. 2025.