Zaman, W., Biswas, S., Helali, M., Ibrahim, M. and Hassan, P. 2007. Physico-Chemical Composition of Four Papaya Varieties Grown at Rajshahi. Journal of Bio-Science. 14, (Nov. 2007), 83–86. DOI:https://doi.org/10.3329/jbs.v14i0.448.