HIMAWATI, NILNA. PENGEMBANGAN PERANGKAT PEMBELAJARAN IPA TERPADU TIPE WEBBED BERBASIS CONTEXTUAL TEACHING AND LEARNING (CTL) PADA TEMA PENCEMARAN AIR KELAS VII SMP. PENSA: E-JURNAL PENDIDIKAN SAINS, [S. l.], v. 1, n. 01, 2013. Disponível em: https://ejournal.unesa.ac.id/index.php/pensa/article/view/1375. Acesso em: 25 jun. 2025.