1. Department of Land and Water Management, University of Embu, Embu Kenya
2. Consultancy Department, Cortile Scientific Limited, Nairobi, Kenya
3. School of Journalism and Mass Communication, University of Nairobi, Nairobi, Kenya
4. School of Agricultural and Food Sciences, Jaramogi Oginga Odinga University of Science and Technology (JOOUST), Bondo, Kenya
5. Institute of Applied Linguistics, Zurich University of Applied Sciences, Switzerland