Blanco, M. M., Caoyonan, L. A. T., de Leon, I. R., & Musngi, C. V. C. (2001). An Industrial systems design study on Panama Plastic Products, Incorporated. College of Engineering.
Lua i Stíl Chicago (17ú heag.)Blanco, Mariel M., Lizelle Anne T. Caoyonan, Irene R. de Leon, agus Cherrie Vi C. Musngi. An Industrial Systems Design Study on Panama Plastic Products, Incorporated. Diliman, Quezon City: College of Engineering, 2001.
Lua MLA (9ú heag.)Blanco, Mariel M., et al. An Industrial Systems Design Study on Panama Plastic Products, Incorporated. College of Engineering, 2001.
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