©2013 National Research Council of Thailand
Khamsavang Sombounkhanh. 2005. Responses of 3 Lao rice varieties to nitrogen fertilizer. Faculty of Agriculture, Khon Kaen University;
Khamsavang Sombounkhanh. (2005) Responses of 3 Lao rice varieties to nitrogen fertilizer . Khon Kaen University/Khon Kaen.
Khamsavang Sombounkhanh. Responses of 3 Lao rice varieties to nitrogen fertilizer. . Khon Kaen:Khon Kaen University, 2005.
Khamsavang Sombounkhanh. (2005) Responses of 3 Lao rice varieties to nitrogen fertilizer . Khon Kaen University/Khon Kaen.