Tan, S. P. (2012). Phytochemical study on Ochrosia Oppositifolia and Kopsia Singapurencis (Apocynaceae). Tanjong Malim.
Chicagoスタイル(17版)引用形式Tan, Siow Ping. Phytochemical Study on Ochrosia Oppositifolia and Kopsia Singapurencis (Apocynaceae). Tanjong Malim, 2012.
MLA(9版)引用形式Tan, Siow Ping. Phytochemical Study on Ochrosia Oppositifolia and Kopsia Singapurencis (Apocynaceae). Tanjong Malim, 2012.
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