Cayabyab, A., J. Jacoba, J. A. Nalanga, C. Tamayo, and D. Sabas. “A Case Study of Alternative Learning System Graduates Enrolled in Pangasinan State University, Lingayen Campus”. Southeast Asian Journal of Science and Technology, Vol. 1, no. 1, Apr. 2016, pp. 12-19, https://sajst.org/online/index.php/sajst/article/view/3.