Zahoor, M. K., F. Mehmood, J. Akhtar, R. Muneer, and R. Latif. “Factors Causing Wettability Variations in Reservoirs and Their Effect on Flow Effecting Parameters”. Journal of the Pakistan Institute of Chemical Engineers, vol. 43, no. 2, Dec. 2015, pp. 149-56, http://piche.org.pk/journal/index.php/jpiche/article/view/214.