Ngamvilaikorn, T. ., and K. . Chooprasird. “Mechanism Design and Analysis of Six-Bar Linkage Structure for Vegetable Transplanting”. Agriculture and Natural Resources, vol. 55, no. 6, Jan. 2022, pp. 1015–1022, https://li01.tci-thaijo.org/index.php/anres/article/view/253591.