Pronpradupkait, T., and P. Gavinlertvatana. “Callus induction and Growth of Zea mays. L var. saccharata (Super sweet corn) through Tissue Culture”. Agriculture and Natural Resources, vol. 16, no. 2, July 1982, pp. 1-13, https://li01.tci-thaijo.org/index.php/anres/article/view/240887.