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Budsara Limnirankul. 1997. Assessing nitrogen fertilizer management for red kidney bean (Phaseolus vulgaris L.) in highland. Chiang Mai:Chiang Mai University;
Budsara Limnirankul. (1997) Assessing nitrogen fertilizer management for red kidney bean (Phaseolus vulgaris L.) in highland (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.
Budsara Limnirankul. Assessing nitrogen fertilizer management for red kidney bean (Phaseolus vulgaris L.) in highland. Chiang Mai:Chiang Mai University, 1997.
Budsara Limnirankul. (1997) Assessing nitrogen fertilizer management for red kidney bean (Phaseolus vulgaris L.) in highland (รายงานผลงานวิจัย). Chiang Mai University:Chiang Mai.