Siripatr Prammanee, Kaettipong Kamprerasart, Suppachai Salakan, and Klanarong Sriroth, “Growth and Starch Content Evaluation on Newly Released Cassava Cultivars, Rayong 9, Rayong 7 and Rayong 80 at Different Harvest Times”, Agr. Nat. Resour., vol. 44, no. 4, pp. 558–563, Aug. 2010.