D. Sudhakar, J. Suresh, R.S.R.G. and Ganesh Ram, S. 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 (Dec. 2017), 162–172. DOI:https://doi.org/10.19071/jpc.2017.v45.i3.3340.