Bungar, R.C. , Romero, J.L. , Bobadella, G. , Sioco, B. , Lamerez, M.A. and Embile, K.J. 2020. Level of Effectiveness of Putting Line in Middle of Stairs for Safety of Student and Teachers. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research. 2, 1 (Apr. 2020).