M. R. A. Mollah, M. A. Ali, M. Ahmad, M. K. Hassan, and M. J. Alam, “Effect of Planting Dates on the Yield and Quality of True Seeds of Onion”, Int J Appl Sci Biotechnol, vol. 3, no. 1, pp. 67–72, Mar. 2015, doi: 10.3126/ijasbt.v3i1.11847.