Dumdum, G. A., P. K. Sagarino, J. Sanchez, and J. Bacatan. “The Effects of Singaporean Math Model Method in Learning Place Values in Mathematical Operations ”. SAINSMAT: Journal of Applied Sciences, Mathematics, and Its Education, Vol. 11, no. 2, July 2022, pp. 55-62, doi:10.35877/sainsmat753.