Wahiddin, D. et al. 2020. Color Feature Extraction and Euclidean Distance for Classification of Oryza Sativa Nitrogen Adequacy Based on Leaf Color Chart (LCC). International Journal of Psychosocial Rehabilitation. 24, 1 (Feb. 2020), 8318–8325. DOI:https://doi.org/10.61841/2yhezt16.