Chareinsak Rojanaridpiched, Piyavuth Pulsanguan, Somyod Phuddachareon, Jamlong Jeamjamnanja and Witthaya Saengkaewsook (1987) “ Study on Planting Season of Cassava”, Agriculture and Natural Resources. Bangkok, Thailand, 21(2), pp. 119–125. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/242590 (accessed: 28 August 2026).