E. Prasetyo, R. D. Adityo, N. Suciati, and C. Fatichah, “Partial Centroid Contour Distance (PCCD) in Mango Leaf Classification”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 10, no. 5, pp. 1920–1926, Oct. 2020.