Bunyi, P., Cabulisan, L., Castro, A. M., & Marbil, A. (1991). Evaluation of the maintenance system and electricity conservation program of Melchor Hall. College of Engineering.
Chicago Style aipamenaBunyi, Perlyn, Lala Cabulisan, Antonio M. Castro, and Angie Marbil. Evaluation of the Maintenance System and Electricity Conservation Program of Melchor Hall. Diliman, Quezon City: College of Engineering, 1991.
MLA aipamenaBunyi, Perlyn, et al. Evaluation of the Maintenance System and Electricity Conservation Program of Melchor Hall. College of Engineering, 1991.
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