WIDYANINGSIH, Sri Wahyu; YUSUF, Irfan. Project Based Learning Model Based on Simple Teaching Tools and Critical Thinking Skills. Kasuari: Physics Education Journal (KPEJ), [S. l.], v. 1, n. 1, p. 12–21, 2019. DOI: 10.37891/kpej.v1i1.33. Disponível em: https://journalfkipunipa.org/index.php/kpej/article/view/33. Acesso em: 15 nov. 2026.