Ahmad, I., M. Rahman, M. M. Rahman, M. M. M. Alam, and M. S. Hussain. “Effect of Gamma Radiation on the Titrable Acidity and Vitamin C Content of Citrus Fruits”. International Journal of Agricultural Research, Innovation and Technology, vol. 2, no. 1, Feb. 2013, pp. 1-6, doi:10.3329/ijarit.v2i1.13986.