Cinco, L., and L. Espares. “Ang Bisa Ng Paggamit Ng Popular Na Awitin Sa Pagsulat Ng Sulating Pormal”. SSU - Digital Archive for Theses and Dissertations, vol. 17, no. 1, Aug. 2022, https://datd.ssu.edu.ph/index.php/datd/article/view/151.