et.al, Adrian U. Bugay. “Learnings from a Lesson Study in Using Discovery Learning in Teaching the Mean of Grouped Data”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 11, 2021): 3847–3855. Accessed January 17, 2025. https://www.turcomat.org/index.php/turkbilmat/article/view/1673.