Jianfeng, Wang, He Dongxian, Song Jinxiu, Dou Haijie, and Du Weifen. “Non-Destructive Measurement of Chlorophyll in Tomato Leaves Using Spectral Transmittance”. International Journal of Agricultural and Biological Engineering 8, no. 5 (October 31, 2015): 73–78. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/1931.