| 1. | Optimization of sample unit’s shape and size to enhancing precision and accuracy of density estimation of Astragalus verus in Mayan rangeland, Mashhad | |
| Volume 68, Issue 1, June 2015, Pages 81-94 | ||
| zahra zangane; Kamalaldin Naseri; Fereydoon Mellati; Mansoor Mesdaghi | ||