1. https://www.researchgate.net/profile/Chege_Simon 2. https://scholar.google.com/citations?user=Ukd1rOgAAAAJ&hl=en 3. https://www.linkedin.com/in/chege-simon-phd-mieee-77331343/ 4. https://orcid.org/0000-0002-8616-3876