THIRUNAHARI. UGANDHAR, et al. “High Frequency Somatic Embryogenesis And Plantlet Regeneration From Cotyledon Explants Of Pigeon Pea (Cajanus Cajan (L.), A Grain Legume”. International Journal of Pharma and Bio Sciences, vol. 3, no. 1, Mar. 2012, pp. 291-8, https://ijpbs.net/index.php/journal/article/view/1256.