De Castro, D. M., Sarmiento, J., & Siapno, E. (2003). A methods engineering study on Stelleca Enterprises, Inc. College of Engineering.
Chicago Style aipamenaDe Castro, Diana May, Jonah Sarmiento, and Edmarie Siapno. A Methods Engineering Study on Stelleca Enterprises, Inc. Diliman, Quezon City: College of Engineering, 2003.
MLA aipamenaDe Castro, Diana May, et al. A Methods Engineering Study on Stelleca Enterprises, Inc. College of Engineering, 2003.
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