1. Central Statistical Agency of Ethiopia (CSA), Agricultural Sample Survey from 2004/05-2015/16, Farm Management Practices, Accessed from: 〈www.csa.gov.et〉.
2. Central Statistical Agency of Ethiopia (CSA), Consumer Price Index in Ethiopia from 2003–2017, Accessed from: 〈www.csa.gov.et〉.
3. Central Statistical Agency of Ethiopia (CSA), Crop Production in Ethiopia from 1994/95–2014/15, Accessed from: 〈www.csa.gov.et〉.