Wanchai Thanomsub และ Sanayh Kraokaw ; Somchai Boonpradub ; Wilaiwan Promkum ; Sumana Ngampongsai. (2002) Interation Between Irrigation Initiation and Plant Density in Sweet Corn. <i>Thai Agricultural Research Journal</i>, <i>20</i>(3), 221-236.Wanchai Thanomsub และ Sanayh Kraokaw ; Somchai Boonpradub ; Wilaiwan Promkum ; Sumana Ngampongsai. "Interation Between Irrigation Initiation and Plant Density in Sweet Corn". Thai Agricultural Research Journal 20 (2002):221-236.Wanchai Thanomsub และ Sanayh Kraokaw ; Somchai Boonpradub ; Wilaiwan Promkum ; Sumana Ngampongsai. Interation Between Irrigation Initiation and Plant Density in Sweet Corn. Department of Agriculture:ม.ป.ท. 2002.