Zaman, M., M. Chowdhury, M. Islam, and M. Uddin. “Effects of Vermicompost on Growth and Leaf Biomass Yield of Stevia and Post Harvest Fertility Status of Soil”. Journal of the Bangladesh Agricultural University, vol. 13, no. 2, July 2016, pp. 169-74, doi:10.3329/jbau.v13i2.28772.