Yap, J. P., Jr. (2015). School gradens: Beneficial to schoolchildren and the environment. Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYap, Julio P., Jr. "School Gradens: Beneficial to Schoolchildren and the Environment." Agriculture 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYap, Julio P., Jr. "School Gradens: Beneficial to Schoolchildren and the Environment." Agriculture, 2015.
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