WANJALA, V.; OBIERO , B. A. ON K’D-OPERATOR. International Research Journal of Rongo University, [S. l.], v. 3, n. 1, p. 28–32, 2025. Disponível em: http://journals.rongovarsity.ac.ke/index.php/IJORU/article/view/91. Acesso em: 2 aug. 2025.