The use of WhatsApp for official communication in the University of Port Harcourt: balancing digital efficiency with professionalism, governance and institutional accountability. Port Harcourt Medical Journal, [S. l.], v. 20, n. 2, p. 83–86, 2026. DOI: 10.60787/phmj.v20i2.280. Disponível em: https://phmj.org.ng/index.php/home/article/view/280. Acesso em: 15 aug. 2026.