Saniel, O. P. (1996). Prevalence of HIV and correlates of condom use among commercial sex workers in Metro Manila, Philippines. UMI Dissertation Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSaniel, Ofelia Pardo. Prevalence of HIV and Correlates of Condom Use Among Commercial Sex Workers in Metro Manila, Philippines. Ann Arbor, Mich: UMI Dissertation Services, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSaniel, Ofelia Pardo. Prevalence of HIV and Correlates of Condom Use Among Commercial Sex Workers in Metro Manila, Philippines. UMI Dissertation Services, 1996.
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