Cruz, Y. (1989). The status of the Comprehensive School Based Drug Abuse Prevention Program (COSDAPP) in the District of Sibulan, Division of Negros Oriental as perceived by teachers and selected community members during the school year 1988-1989.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCruz, Yvonne. The Status of the Comprehensive School Based Drug Abuse Prevention Program (COSDAPP) in the District of Sibulan, Division of Negros Oriental as Perceived by Teachers and Selected Community Members During the School Year 1988-1989. 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCruz, Yvonne. The Status of the Comprehensive School Based Drug Abuse Prevention Program (COSDAPP) in the District of Sibulan, Division of Negros Oriental as Perceived by Teachers and Selected Community Members During the School Year 1988-1989. 1989.