“Farmers’ Willingness to Pay for Improved Soil Conservation Practices in Kuyu Woreda, North Shoa Zone of Oromia, Ethiopia: Application of Contingent Valuation Method”, SJBEM, vol. 5, no. (12), pp. 39–48, Dec. 2017, Accessed: Jul. 26, 2026. [Online]. Available: https://mail.singaporeanjbem.com/index.php/SJBEM/article/view/386