Pairoj Panpruik และ Kobkiet Paisancharoen; Chairerk Suwannarat. (2005) Iron Foliar Fertillization on Mungbean Production in Alkaline Soil. <i>Thai Agricultural Research Journal</i>, <i>23</i>(1), 21-29.Pairoj Panpruik และ Kobkiet Paisancharoen; Chairerk Suwannarat. "Iron Foliar Fertillization on Mungbean Production in Alkaline Soil". Thai Agricultural Research Journal 23 (2005):21-29.Pairoj Panpruik และ Kobkiet Paisancharoen; Chairerk Suwannarat. Iron Foliar Fertillization on Mungbean Production in Alkaline Soil. Department of Agriculture:ม.ป.ท. 2005.