Leong, H. Y. (2016). Comparative study of organic and conventional vegetable farming systems using material and substance flow analysis / Leong Hong Yeng.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeong, Hong Yeng. Comparative Study of Organic and Conventional Vegetable Farming Systems Using Material and Substance Flow Analysis / Leong Hong Yeng. 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeong, Hong Yeng. Comparative Study of Organic and Conventional Vegetable Farming Systems Using Material and Substance Flow Analysis / Leong Hong Yeng. 2016.
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