Ching, P., & Carlos, F. N. (1996). The choice of adult health care provider and access across income groups: The Philippine case. School of Economics, University of the Philippines.
Chicago-referens (17:e uppl.)Ching, Panfila, och Fidelina Natividad Carlos. The Choice of Adult Health Care Provider and Access Across Income Groups: The Philippine Case. Quezon City: School of Economics, University of the Philippines, 1996.
MLA-referens (9:e uppl.)Ching, Panfila, och Fidelina Natividad Carlos. The Choice of Adult Health Care Provider and Access Across Income Groups: The Philippine Case. School of Economics, University of the Philippines, 1996.
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