D. Sudhakar, J. Suresh, R. Sivachandran, R. Gnanam, and S. Ganesh Ram. 2017. “Influence of Genotypes, Stages of Microspore, Pre-Treatments and Media Factors on Induction of Callus from Anthers of Cocoa (Theobroma Cacao L.)”. Journal of Plantation Crops 45 (3):162-72. https://doi.org/10.19071/jpc.2017.v45.i3.3340.