Boonseng, O., Santisopasri, V., Soommart, A., & Paetayakratok, D. (1999). Effect of Planting Seasons, Varieties and Harvesting Times on Biochemical Properties of Cassava (Manihot esculenta Crantz) Roots. Agriculture and Natural Resources, 33(4), 497–506. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/240402