“Experimental Study of Improving Nigerian Heavy Crude Oil (Agbabu Bitumen) Viscosity Reduction by Dilution With N-Heptane, Phenol, Toluene, Xylene, and Naphtha”. Fountain Journal of Natural and Applied Sciences 15, no. 1 (June 25, 2026). Accessed July 16, 2026. https://www.fountainjournals.com/index.php/FUJNAS/article/view/1060.