Dulio Oseda Gago , Ruth Katherine Mendivel Gerónimo, Jesús Mery Arias Huánuco, Angélica Sánchez Castro. “Cooperative Learning and Notions of Geometry in 5-Year-Old Children in Educational Preschool Institutions”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 14 (September 16, 2021): 3683–3690. Accessed April 29, 2024. https://www.turcomat.org/index.php/turkbilmat/article/view/10998.