Sultana, N., Mondal, C., Hossain, M., Khokon, M. and Islam, M. 2018. Effect of fermented tea extract in controlling brown spot and narrow brown spot of rice. Bangladesh Journal of Agricultural Research. 42, 4 (Feb. 2018), 621–629. DOI:https://doi.org/10.3329/bjar.v42i4.35790.