Umali, R. M., Britanico, S., & Bumatay, E. L. (2011). Perception of UPLB BS Agriculture students on career opportunities in Agriculture. USM R & D Journal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUmali, Rommel M., Stella Britanico, और Ernesto L. Bumatay. "Perception of UPLB BS Agriculture Students on Career Opportunities in Agriculture." USM R & D Journal 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUmali, Rommel M., et al. "Perception of UPLB BS Agriculture Students on Career Opportunities in Agriculture." USM R & D Journal, 2011.
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