Guerrero, G., Reyes, R. A., Yu, C., & Yu, L. (1992). A Work study on twin oaks foods corporation: Marshmallow division. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGuerrero, Geraldine, Ronald Allan Reyes, Clarence Yu, और Lawrence Yu. A Work Study on Twin Oaks Foods Corporation: Marshmallow Division. Diliman, Quezon City: College of Engineering, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGuerrero, Geraldine, et al. A Work Study on Twin Oaks Foods Corporation: Marshmallow Division. College of Engineering, 1992.
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