Watana, Jirot, Ekachai Thaenpo, Chaloemwut Phongoen, and Somporn Boonrin. 2024. “Model for Color Sorting Using a Six-axis Robotic Arm”. Institute of Vocational Education Southern Region 3 Journal (KRIS Journal) 4 (2). Songkhla, Thailand:139-52. https://so08.tci-thaijo.org/index.php/KRIS/article/view/4143.