Abrena, J. T., Ang, S. S., & Escudero, M. B. G. (1998). A Work study on Rockbuilt Steel and Metal Industrial Corporation. College of Engineering.
Chicago Style (17th ed.) CitationAbrena, Jasmin T., Sheila S. Ang, and Ma. Bernadette G. Escudero. A Work Study on Rockbuilt Steel and Metal Industrial Corporation. Diliman, Quezon City: College of Engineering, 1998.
MLA (9th ed.) CitationAbrena, Jasmin T., et al. A Work Study on Rockbuilt Steel and Metal Industrial Corporation. College of Engineering, 1998.
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