Yadav, A K and Singh, S and Dhyani, D and Ahuja, Paramvir Singh (2011) A review on the improvement of stevia [Stevia rebaudiana (Bertoni)]. Canadian Journal of Plant Science, 91 (1). pp. 1-27.

Singh, S and Sud, R K and Gulati, Ashu and Joshi, Robin and Yadav, A K and Sharma, R K (2012) Germplasm appraisal of western Himalayan tea: a breeding strategy for yield and quality improvement. Journal of Genet Resour Crop Evol.