Belay kasaye (2017) “Farmers’ Willingness to Pay for Improved Soil Conservation Practices in Kuyu Woreda, North Shoa Zone of Oromia, Ethiopia: Application of Contingent Valuation Method”, Singaporean Journal of Business Economics and Management, 5((12), pp. 39–48. Available at: https://www.singaporeanjbem.com/index.php/SJBEM/article/view/386 (Accessed: 18 April 2026).