Nakseethong, P., Aidlua, S., & Quikul, L. (2022). Designing and Finding Efficiency of a Device to Hold a Bamboo Ladder on a Pick-up Truck. Institute of Vocational Education Southern Region 3 Journal (KRIS Journal), 2(1), 53–66. retrieved from https://so08.tci-thaijo.org/index.php/KRIS/article/view/3217