Rahman, M Ataur, M Mohabbatullah, CK Das, UK Sarker, and SMM Alam. 2016. “Sowing Time and Varietal Performance of Wheat at Higher Elevation in Hill Environment at Khagrachari”. Bangladesh Journal of Agricultural Research 40 (4):521-28. https://doi.org/10.3329/bjar.v40i4.26926.