Siska Candra Ningsih, Sri Wiyanah, Kintoko, Ebenezer Bonyah and Kristina Warniasih 2025. Development of English-Based Electronic Module on Three-Variables Linear Equations System for Mathematics Education Students. Hipotenusa: Journal of Mathematical Society. 7, 2 (Dec. 2025), 244–259. DOI:https://doi.org/10.18326/hipotenusa.v7i2.5162.