Islam, A. K. M. Aminul, et al. “Production of Restorer Lines from Segregating Progenies of Brassica Napus L. Having Good Agronomic Value”. International Journal of Applied Sciences and Biotechnology, vol. 8, no. 4, Dec. 2020, pp. 400-9, doi:10.3126/ijasbt.v8i4.31352.