Wiwat Mathayakul. 2008. Evaluation of N-uptake efficiency by kale mineralized from vegetable soybean using isotope 15N technique. Faculty of Agriculture, Chiang Mai University;
Wiwat Mathayakul. (2008) Evaluation of N-uptake efficiency by kale mineralized from vegetable soybean using isotope 15N technique . Chiang Mai University/Chiang Mai.
Wiwat Mathayakul. Evaluation of N-uptake efficiency by kale mineralized from vegetable soybean using isotope 15N technique. . Chiang Mai:Chiang Mai University, 2008.
Wiwat Mathayakul. (2008) Evaluation of N-uptake efficiency by kale mineralized from vegetable soybean using isotope 15N technique . Chiang Mai University/Chiang Mai.