Aminravan, Marzieh; Darijani, Ali; Ahmadi Kaliji, Sina, Investigation the Tomato production cost structure in Golestan province., in: -, 2012, pp. 1 - 8 (atti di: The 3rd National Student Conference of Iran's Economics, Babolsar, IRAN, May 15, 2012) [Contributo in Atti di convegno]
Ahmadi Kaliji, Sina; Darijani, Ali; Aminravan, Marzieh, Surveying of insurance yield of cotton products in Iran, in: -, 2012, pp. 1 - 7 (atti di: The 1st International Conference on Science, Industry and Trade of Cotton, Gorgan, IRAN, Oct 2-4, 2012) [Contributo in Atti di convegno]
