Castillo, C. S., Joson, C. M. O., & Oberio, E. R. (2000). A Production/operations management study on Les Products Co., Inc. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCastillo, Corallie S., Carlo Marx Ocampo Joson, और Erika Ramos Oberio. A Production/operations Management Study on Les Products Co., Inc. Diliman, Quezon City: College of Engineering, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCastillo, Corallie S., et al. A Production/operations Management Study on Les Products Co., Inc. College of Engineering, 2000.
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