P. Bhanumathi, M. Ganesan, and N. Jayabalan. “A simple and improved protocol for direct and indirect somatic embryogenesis of peanut (Arachis hypogaea L.)”. International Journal of Agricultural Technology, vol. 1, no. 2, Nov. 2005, pp. 327-44, https://li04.tci-thaijo.org/index.php/IJAT/article/view/9205.