K. Tungvanitchakapong, C. Boodthep, P. Maksong, K. Seangprachathanarug, S. Wongpichet, and J. Posom, “Suitable vegetation indices for predicting sugarcane Brix content in the field”, Ag Bio Eng, vol. 2, no. 2, pp. 52–58, Jan. 2025.