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Nguyen และผู้แต่งคนอื่นๆ. 1996. The performance of soybean on low phosphorus acid soil in the northern mountainous region of Vietnam. , Chiang Mai University;
Nguyen และผู้แต่งคนอื่นๆ. (1996) The performance of soybean on low phosphorus acid soil in the northern mountainous region of Vietnam . Chiang Mai University/Chiang Mai.
Nguyen และผู้แต่งคนอื่นๆ. The performance of soybean on low phosphorus acid soil in the northern mountainous region of Vietnam. . Chiang Mai:Chiang Mai University, 1996.
Nguyen และผู้แต่งคนอื่นๆ. (1996) The performance of soybean on low phosphorus acid soil in the northern mountainous region of Vietnam . Chiang Mai University/Chiang Mai.