Dyfyniad APA

Sangalang, L. P. J. (1982). A product mix optimization model. Philippine Engineering Journal.

Dyfyniad Arddull Chicago

Sangalang, Leonardo P. Jr. "A Product Mix Optimization Model." Philippine Engineering Journal 1982.

Dyfyniad MLA

Sangalang, Leonardo P. Jr. "A Product Mix Optimization Model." Philippine Engineering Journal, 1982.

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