Ahmadpour , Amir, and Hadi Moumenihelali. “Preferred Extension System for Sustainable Horticulture in Sari, Iran”. International Journal of Agricultural Management and Development 8, no. 2 (June 1, 2018): 125–136. Accessed June 27, 2026. https://oiccpress.com/ijamad/article/view/6910.