Kalasong, K., T. Nuccrabundit, and A. Somsong. “Developing and Finding Performance of the Multi-purpose Electric Lawn Mower”. Institute of Vocational Education Southern Region 3 Journal (KRIS Journal), vol. 2, no. 2, Dec. 2022, pp. 113-22, https://so08.tci-thaijo.org/index.php/KRIS/article/view/3236.