Malipan, Anon, and Tipdarunee Sittinam. 2011. “Effect of Harvesting Times After Stem Cutting on Yield and Starch of 4 Cassava (Manihot Esculenta Crantz) Ciltivars in Red-Brown Clayey Loam Soil in Lopburi Province”. Thai Agricultural Research Journal 29 (2):131-46. https://doi.org/10.14456/thaidoa-agres.2011.7.