Sunitha, S., J. George, M. N. Sheela, R. Muthuraj, and T. Makeshkumar. “Doubling Farmers Income Through Production of Quality Planting Materials of Greater Yam in the Tribal Belts of Kerala”. JOURNAL OF ROOT CROPS, vol. 43, no. 1, Sept. 2017, pp. 120-2, https://journal.isrc.in/index.php/jrc/article/view/459.