Hasan, M. R.; Rahman, M. R.; Hasan, A. K.; Paul, S. K.; Alam, A. J. Effect of Variety and Spacing on the Yield Performance of Maize (Zea Mays L.) in Old Brahmaputra Floodplain Area of Bangladesh. Arch. Agric. Environ. Sci. 2018, 3, 270-274.