Wongkalasin, K., Upachaban, T., Daosawang, W., Pannucharoenwong, N. and Ratanadecho, P. 2022. Watermelon Sorting Process by Frequency Identification and Artificial Neural Network. Applied Science and Engineering Progress. 16, 1 (Nov. 2022), 5630. DOI:https://doi.org/10.14416/j.asep.2021.12.004.