Nono, L., and A. Dacuro. “Filipino and Hekasi Performance and Scholastic Achievement of Grade V Pupils: A Comparative Study”. SSU - Digital Archive for Theses and Dissertations, vol. 16, no. 1, Aug. 2022, pp. 1-108, https://datd.ssu.edu.ph/index.php/datd/article/view/195.