Thongkup, W., K. Phomkaew, S. Sarapab, and A. Wanriko. “Construction and Efficiency of Aluminum Cans Shredder Machine”. Princess of Naradhiwas University Journal, vol. 12, no. 2, May 2020, pp. 124-36, https://li01.tci-thaijo.org/index.php/pnujr/article/view/236486.