Safarini, Desyarti , trans. “The Learning Communities Scientific Calculator (LCSC) 45 Webinar on Problem-Solving in Mathematics”. Journal of Community Services: Sustainability and Empowerment 1, no. 01 (March 5, 2021): 10–20. Accessed January 31, 2025. https://ojs.sampoernauniversity.ac.id/index.php/JCSSE/article/view/165.