Abdollah Mousavi Koupar, Seyed, Seyed Mohsen Hosseini, Alireza Modirrahmati, Masoud Tabari, Ahmad Golchin, and Farzam Hosseinzadeh Rad. 2010. “Effect of Pure and Mixed Plantations of Populus Deltoides With Alnus Subcordata on Growth, Nutrition and Soil Properties”. Asian Journal of Chemistry 23 (3):950-54. https://asianpubs.org/index.php/ajchem/article/view/16064.