G. J. Massie, A. Z. Pratama, T. P. Sakira, A. B. Kaswar, and D. D. Andayani, “MATURITY CLASSIFICATION SYSTEM OF TOMATO BASED ON RGB COLOR FEATURES USING BACKPROPAGATION ARTIFICIAL NEURAL NETWORK METHOD”, J. Tek. Inform. (JUTIF), vol. 5, no. 1, pp. 1-10, Jan. 2024.