Al-Anssari, S. , Arain, Z.-U.-A., Shanshool, H.A. , Keshavarz, A. and Sarmadivaleh, M. 2020. Synergistic effect of hydrophilic nanoparticles and anionic surfactant on the stability and viscoelastic properties of oil in water (o/w) emulations; application for enhanced oil recovery (EOR). Journal of Petroleum Research and Studies. 10, 4 (Dec. 2020), 33-53. DOI:https://doi.org/10.52716/jprs.v10i4.366.