Duka, C. D. (2019). Labor laws and social legislations: A barrister's companion. Rex Book Store.
Chicago-referens (17:e uppl.)Duka, Cecilio D. Labor Laws and Social Legislations: A Barrister's Companion. Manila: Rex Book Store, 2019.
MLA-referens (9:e uppl.)Duka, Cecilio D. Labor Laws and Social Legislations: A Barrister's Companion. Rex Book Store, 2019.
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