(1)
Alsudani, A. A. A. A. Z.; Semmak, Q. H. A. A. Physiological of Calendula Officinalis L. As Affected by Foliar Application of Nano Nitrogen and Potassium Fertilizers, Under Water Stress Conditions. Amer.Jour.Bot.Bio.Eng 2025, 2, 117-127.