Collado, H. K. M., Langaoen, S. M., & Yarcia, G. J. P. (2004). A methods engineering study on Dakki Classic Concepts Incorporated. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollado, Hazel Kristine M., Sharon M. Langaoen, और Godofredo Julius P. Yarcia. A Methods Engineering Study on Dakki Classic Concepts Incorporated. Diliman, Quezon City: College of Engineering, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCollado, Hazel Kristine M., et al. A Methods Engineering Study on Dakki Classic Concepts Incorporated. College of Engineering, 2004.
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