Bandol, R. B. ., J. A. . Cabal, D. R. . Clave, J. D. . Difuz, J. B. . Mahilom, and E. B. . Pineda. “Airport Management System: Human Resource 1 (Recruitment, Applicant Management, New Hire On-Board, Performance Management, Social Recognition)”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 1, no. 1, Apr. 2019, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2216.