Nafasi ya Sheng katika Utangazaji wa Biashara Jijini Nairobi. Mwanga wa Lugha, [S. l.], v. 6, n. 1, p. 1–18, 2021. Disponível em: https://journals.mu.ac.ke/index.php/mwl/article/view/197. Acesso em: 12 oct. 2025.