Phanomsophon, T. , Jaisue, N. , Tawinteung, N. , Khurnpoon, L. and Sirisomboon, P. 2021. Classification of N, P, and K concentrations in durian (Durio Zibethinus Murray CV. Mon Thong) leaves using near-infrared spectroscopy. Engineering and Applied Science Research. 49, 1 (Aug. 2021), 127–132.