Walaiporn Sasiprapa และผู้แต่งคนอื่นๆ. (2011) Using GUMCAS to Identify Site Specific Cassava (Manihot esculenta Crantz) Cultivar and Planting Duration. <i>Thai Agricultural Research Journal</i>, <i>29</i>(2), 147-160.Walaiporn Sasiprapa และผู้แต่งคนอื่นๆ. "Using GUMCAS to Identify Site Specific Cassava (Manihot esculenta Crantz) Cultivar and Planting Duration". Thai Agricultural Research Journal 29 (2011):147-160.Walaiporn Sasiprapa และผู้แต่งคนอื่นๆ. Using GUMCAS to Identify Site Specific Cassava (Manihot esculenta Crantz) Cultivar and Planting Duration. Department of Agriculture:ม.ป.ท. 2011.