Cagadas, D.O., Putra, D.S., Dunque, K.M.P. and Azmi, M. 2024. Classifying four maturity categories of coffee cherry using CNN-VGG19. Teknomekanik. 7, 2 (Dec. 2024), 176–184. DOI:https://doi.org/10.24036/teknomekanik.v7i2.31072.