Mahrawi, Mahrawi, Usman Usman, and Maulida Nur Avianti. “Pengembangan Instrumen Asesmen Critical Thinking Skill Pada Materi Sistem Ekskresi”. Indonesian Journal of Mathematics and Natural Science Education 2, no. 2 (December 31, 2021): 80–95. Accessed August 26, 2025. https://mass.uinkhas.ac.id/index.php/mass/article/view/72.