Anggraini L, Hariyani S, Rahaju R, Ahmad NJ. The impact of a STEM-Integrated project-based learning e-module on students’ algebra achievement and self-confidence. J. Honai Math [Internet]. 2026 Apr. 30 [cited 2026 Oct. 25];9(1):69-82. Available from: https://journalfkipunipa.org/index.php/jhm/article/view/1077