LANGAT, Wycliffe Kipkorir; MANYASA, Emanuel. Implications of Price Regulation on Market Structure of Oil Marketing Firms in Kenya. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 24, n. 6, p. 178–205, 2015. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4869. Acesso em: 8 oct. 2025.