Shwan Hanna N, Ahmad Rasheed Goran Y. Allelopathic effect of Sidr (Ziziphus spina- christi (L.) Wild.) Leaf extracts on seed germination and seedling parameters. Polytechnic j. [Internet]. 2023Sep.20 [cited 2024May15];13(1):85-90. Available from: https://journals.epu.edu.iq/index.php/polytechnic/article/view/871