Abu-Goukh, Abu-Bakr, AND 		Mohammed Almahi, Ali.
" Gezira j. of agric. sci. 15 (1): 13-25 (2017) Physico-chemical changes during growth and development of grapefruits (Citrus paradisi Macf.). IІ. Chemical changes" <em>Gezira Journal of Agricultural Science</em> [Online], Volume 15 Number 1 (1 January 2017)