Lidiana, Vira, and Yohanes Leonardus Sukestiyarno. “Development of Entrepreneurship-Based Mathematical E-Module and Its’ Learning With PBL to Improve Students’ Mathematical Problem Solving Ability”. Unnes Journal of Mathematics Education 12, no. 1 (May 16, 2023): 93-102. Accessed June 30, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/62911.