Fadavi, R. ., Keyhani , A. ., & Mohtasebi, S. S. . (2012). Estimation of a Mechanization Index and Its Impact on Energy and Economic Factors in Apple Orchard in Iran. Asian Journal of Agriculture and Rural Development, 2(2), 248–259. Retrieved from http://archive.aessweb.com/index.php/5005/article/view/556