Rahmawati AD, Winanto A. Perbedaan Efektivitas Model Problem Based Learning dan Model Group Investigation terhadap Kemampuan Bernalar Kritis Peserta Didik Kelas V SD. basicedu [Internet]. 2024 May 6 [cited 2025 Jun. 1];8(2):1385-93. Available from: https://www.jbasic.org/index.php/basicedu/article/view/7371