De Leon, P. C. (2011). Agricultural labor absorption by industrial firms in the Clark Freeport Zone. Philippine Journal of Labor and Industrial Relations.
Chicago-referens (17:e uppl.)De Leon, Patrick C. "Agricultural Labor Absorption by Industrial Firms in the Clark Freeport Zone." Philippine Journal of Labor and Industrial Relations 2011.
MLA-referens (9:e uppl.)De Leon, Patrick C. "Agricultural Labor Absorption by Industrial Firms in the Clark Freeport Zone." Philippine Journal of Labor and Industrial Relations, 2011.
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