1. University of Abuja, Faculty of Agriculture, Department of Agricultural Economics and Extension, Gwagwalada-Abuja, PMB, Federal Capital Territory, Nigeria
2. Ibrahim Badamasi Babangida University (IBBU), Faculty of Agriculture, Department of Agricultural Economics and Extension Services, Lapai, PMB, Lapai, Niger State, Nigeria
3. Forestry Research Institute of Nigeria (FRIN), Federal College of Forestry Mechanization, Department of Agricultural Extension and Management (AEM), PMB, Afaka-Kaduna, Kaduna State, Nigeria