مخول ج. , بوعيسى ع.ا. , الخطيب ع. and جناد ح. 2022. Effect Of Using Some Organic Materials and Spraying with Citric Acid on the yield and fruits quality of Clementine mandarin Trees Grown in Calcareous Soil. Tishreen University Journal -Biological Sciences Series. 44, 2 (Jun. 2022), 55–70.