Chamlong Kogranm และ Boonluer Srimoongkoon; Sorasak Maneekhao; Boonguer Poosri. (1999) The Relationship between Soil Exchangeable Calcium and Unfilled Pod Formation in Peanut. <i>Thai Agricultural Research Journal</i>, <i>17</i>(2), 185-190.Chamlong Kogranm และ Boonluer Srimoongkoon; Sorasak Maneekhao; Boonguer Poosri. "The Relationship between Soil Exchangeable Calcium and Unfilled Pod Formation in Peanut". Thai Agricultural Research Journal 17 (1999):185-190.Chamlong Kogranm และ Boonluer Srimoongkoon; Sorasak Maneekhao; Boonguer Poosri. The Relationship between Soil Exchangeable Calcium and Unfilled Pod Formation in Peanut. Department of Agriculture:ม.ป.ท. 1999.