Kleopan Suwanarak และ Sermsiri Kongsaengdao. (1996) Performance of Pre Planting Herbicides on Weed Control and Growth of No Tillage Pineapple (Ananas Comosus L.). <i>Thai Agricultural Research Journal</i>, <i>14</i>(1), 38-43.Kleopan Suwanarak และ Sermsiri Kongsaengdao. "Performance of Pre Planting Herbicides on Weed Control and Growth of No Tillage Pineapple (Ananas Comosus L.)". Thai Agricultural Research Journal 14 (1996):38-43.Kleopan Suwanarak และ Sermsiri Kongsaengdao. Performance of Pre Planting Herbicides on Weed Control and Growth of No Tillage Pineapple (Ananas Comosus L.). Department of Agriculture:ม.ป.ท. 1996.