Quamruzzaman, A., M. Salim, L. Akhter, M. Rahman, and M. Z. Chowdhury. “Expression of Heterosis for Productive Traits in Bottle Gourd Hybrids”. Journal of Botanical Research, vol. 2, no. 2, July 2020, pp. 1-7, doi:10.30564/jrb.v2i2.1828.