Milan, B. ., and T. . Damoco. “IPED-Contextualized Mathematics Workbook”. Ascendens Asia Singapore – Union Christian College Philippines Journal of Multidisciplinary Research Abstracts, vol. 2, no. 1, Dec. 2019, https://ojs.aaresearchindex.com/index.php/aasguccphjmra/article/view/2668.