Easmin, D., Islam, M. and Begum, K. (2013) “Effect of Different Levels of Nitrogen and Mulching on the Growth of Chinese Cabbage (<i>Brassica campestris</i> var. Pekinensis)”, Progressive Agriculture, 20(1-2), pp. 27–33. doi: 10.3329/pa.v20i1-2.16845.