Saeedian, Shahram, Mahmoud Sabouhi Sabouni, Javad Shahraki, Ebrahim Moradi, and Mohammad Sepahi. 2013. “Relationship Between Meta-Technology Ratios and Varietal Differences in Date Production (Case Study of Sistan and Baluchestan, Iran)”. International Journal of Agricultural Management and Development 3 (2): 111-22. https://oiccpress.com/ijamad/article/view/6693.