Cortes, J. R., Salvador, L. G., & Brawner, F. G. (1991). Research and special studies and technical assistance as support mechanisms. University of the Philippines College of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCortes, Josefina Rian, Lourdes G. Salvador, और Filma G. Brawner. Research and Special Studies and Technical Assistance as Support Mechanisms. [Quezon City: University of the Philippines College of Education, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCortes, Josefina Rian, et al. Research and Special Studies and Technical Assistance as Support Mechanisms. University of the Philippines College of Education, 1991.
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