Zereen, A., Wahid, A., Khan, Z. U. D., & Sardar, A. A. (2014). Effect of tannery wastewater on the growth and yield of sunflower (Helianthus annuus L.). Bangladesh Journal of Botany, 42(2), 279–285. https://doi.org/10.3329/bjb.v42i2.18030