Siriphan Leepipatpaiboon, Samakkee Boonyawat and Ed Sarobol (2009) “Estimation of Solar Radiation Use Efficiency in Paddy and Cassava Fields”, Agriculture and Natural Resources. Bangkok, Thailand, 43(4), pp. 642–649. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244737 (accessed: 17 September 2026).