Bayramoglu, Z., and E. Gundogmus. “Cost Efficiency on Organic Farming: A Comparison Between Organic and Conventional Raisin-Producing Households in Turkey”. Spanish Journal of Agricultural Research 6, no. 1 (March 1, 2008): 3-11. Accessed August 1, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/289.