Mansanadez, Evangeline. “The Extent of Implementation of Ra 9211 and P.D. 1619 on Public Secondary Schools in Tampilisan, Zamboanga Del Norte”. JPAIR Multidisciplinary Research 36, no. 1 (March 3, 2019): 132–151. Accessed June 16, 2025. https://www.philair.ph/index.php/jpair/article/view/686.