Pertiwi FN, Muna IA. THE EFFECTIVENESS OF GROUP INVESTIGATION-BASED DISCOVERY LEARNING MODEL WITH THE HELP OF CONCRETE OBJECTS ON STUDENT’S SCIENTIFIC THINKING ABILITY. JPPIPA (Jur. Penelit. Pendidik. IPA) [Internet]. 2021 Dec. 31 [cited 2025 Jun. 9];6(2):87-91. Available from: https://journal.unesa.ac.id/index.php/jppipa/article/view/15310