Fhaizal M. B, M., V. P, N. A. R, and N. K. “Effect of Carbenicillin on Somatic Embryos Formation of Papaya (Carica Papaya L. Var. Eksotika I)”. Malaysian Journal of Science, vol. 25, no. 2, Aug. 2006, pp. 47-54, https://juku.um.edu.my/index.php/MJS/article/view/8091.