Anwar S, Abdurachman B, Rohman I, Liu S-Y. Implementing a Challenge-Based Ethnoscience E-Book on Colloid Systems to Enhance Students’ Critical Thinking and Conceptual Understanding. jpii [Internet]. 2026 Mar. 24 [cited 2026 Apr. 3];15(1). Available from: https://journal.unnes.ac.id/journals/jpii/article/view/33866