"Effect of Gibberellic Acid and Waxing on Quality and Shelf Life of Guava (Psidium guajava L.) Fruits " (2025) University of Khartoum Journal of Agricultural Sciences, 25(2). موجود في: https://onlinejournals.uofk.edu/uofkjas/article/view/954 (تاريخ الوصول: 25 مايو 2026).