Alzona, J., De la Cruz, E., Febre, L., Gonzales, L. F., & Narag, R. (1975). A Study on the production planning and control methods of Radiowealth Inc. College of Engineering.
Chicago-referens (17:e uppl.)Alzona, Joselito, Ernesto De la Cruz, Lorenzo Febre, Leo Francis Gonzales, och Roland Narag. A Study on the Production Planning and Control Methods of Radiowealth Inc. Diliman, Quezon City: College of Engineering, 1975.
MLA-referens (9:e uppl.)Alzona, Joselito, et al. A Study on the Production Planning and Control Methods of Radiowealth Inc. College of Engineering, 1975.
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