Elkashif, Mohamed, 		Hamdoun, Eltaya, 		Elamin, Osman, AND 		Mahmoud, Haroon.
" Effects of Ethrel, packaging and waxing on quality and  shelf life of guava (Psidium guajava L.) fruits" <em>Gezira Journal of Agricultural Science</em> [Online], Volume 14 Number 1 (1 January 2016)