Malhotra, S. K., and S. Elain Apshara. “Genetic Resources of Cocoa (Theobroma Cacao L.) and Their UtilizationAn Appraisal”. The Indian Journal of Genetics and Plant Breeding, vol. 77, no. 2, May 2017, https://epubs.icar.org.in/index.php/IJGPB/article/view/70778.