Al-Saif, A. M.; Alebidi, A. I.; Al-Obeed, R. S.; Soliman, S. S. Preharvest Ethephon Spray on Fruit Quality and Increasing the Rate of Ripening of Date Palm Fruit (Phoenix Dactylifera L.) Cv. Helali. Progr Nutr 2017, 19 (1), 97-103. https://doi.org/10.23751/pn.v19i1.4741.