Hapal, J. O., Aganon, M. E., Gatchalian, J. C., & Efron, J. E. Informal sector work: A matter of choice : (a case study in selected cities in Region IV).
Citace podle Chicago (17th ed.)Hapal, Jocelyn O., Marie E. Aganon, Jose C. Gatchalian, a Jack E. Efron. Informal Sector Work: A Matter of Choice : (a Case Study in Selected Cities in Region IV). c1997.
Citace podle MLA (9th ed.)Hapal, Jocelyn O., et al. Informal Sector Work: A Matter of Choice : (a Case Study in Selected Cities in Region IV).
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