Sihotang, H. T., & Prakoso Rizky A, G. (2025). Evaluation of the Performance of an Ultrasonic-IoT Based Rice Field Rat Repellent System in Reducing Attack Intensity and Crop Losses. International Journal of Mechanical Computational and Manufacturing Research, 14(3), 117–124. https://doi.org/10.35335/computational.v14i3.287