NGONYO, Michael; OYWER, Caroline. A Study of the Evolution and Growth of Public Relations Practice in Kenya. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 33, n. 1, p. 1–14, 2017. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/7131. Acesso em: 27 oct. 2025.