Castillo, R. C. “A Paradigm Shift to Outcomes-Based Higher Education: Policies, Principles and Preparations”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 14, no. 1, Feb. 2014, pp. 174-86, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1809.