KOSISOCHUKWU HENRY UKPABI; ABDULLAHI MOHAMMED IBRAHIM. EXPLORING OPERATING SYSTEM DIVERSITY: A COMPARATIVE ANALYSIS OF WINDOWS, MAC OS, ANDROID AND IOS. Journal of Systematic and Modern Science Research, Nigeria, v. 5, n. 9, 2024. Disponível em: https://berkeleypublications.com/bjsmsr/article/view/264.. Acesso em: 20 oct. 2025.