Moonsanr, Tanandonr, Wikrom Wonnasuthi, and Danu Wiroteurairuang. 2025. “Development of Pumpkin Ripeness Classification System by Integrating Image and Sound Data Using Machine Learning Techniques”. Journal of Engineering and Industrial Technology, Kalasin University 3 (4):59-75. https://doi.org/10.14456/jeit.2025.20.