Zaman, M. M., K. Nahar, T. Chowdhury, and M. A. H. Chowdhury. 2017. “Growth, Leaf Biomass Yield of Stevia and Post-Harvest Soil Fertility As Influenced by Different Levels of Poultry Manure”. Journal of the Bangladesh Agricultural University 15 (2):212-18. https://jbau.bau.edu.bd/index.php/home/article/view/139.