Taghvaeefard, Nehle, and Hamid Sadeghi. 2014. “Allelopathic Effect of Pistacia Khinjuk Leaf Extracts on Chenopodium Album, Physalis Alkekengi and Amaranthus Retroflexus”. Agricultural Advances 3 (2):33-37. http://sjournals.com/index.php/aa/article/view/726.