Barman, H., M. Siddiqui, M. Siddique, M. Roni, and M. Nuruzzaman. “Combined Effect of Organic Manure and Potassium on Growth and Yield of Onion Cv. Bari Piaz-I”. International Journal of Agricultural Research, Innovation and Technology, vol. 3, no. 1, Aug. 2013, pp. 47-51, doi:10.3329/ijarit.v3i1.16092.