Prieto, R. M. (1980). Cost-effectiveness of Philippine social insurance programs (GSIS/SSS): A simulation study, 1970-2000 [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrieto, Rosa Maria. Cost-effectiveness of Philippine Social Insurance Programs (GSIS/SSS): A Simulation Study, 1970-2000 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPrieto, Rosa Maria. Cost-effectiveness of Philippine Social Insurance Programs (GSIS/SSS): A Simulation Study, 1970-2000 [microform]. Photoduplication Service, University of the Philippines Library, 1980.
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