M. RAMZAN, H. M. YOUNUS, S. KHAN and M. RAFIQ (2016) “A Note on Proper Homothetic Vector Fields of Reboucus Space-time by Using Lorentzian Manifolds ”, Sindh University Research Journal - SURJ (Science Series), 48(1). Available at: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/4964 (Accessed: 1September2026).