Dumdum, Gizella Ann, Princess Kate Sagarino, Jeymarie Sanchez, and Jovenil Bacatan. “The Effects of Singaporean Math Model Method in Learning Place Values in Mathematical Operations ”. SAINSMAT: Journal of Applied Sciences, Mathematics, and Its Education 11, no. 2 (July 20, 2022): 55-62. Accessed December 5, 2022. https://jscimath.win/index.php/sainsmat/article/view/753.