Abdulmohsein, Zainab, Baojun Bai, and Parthasakha Neogi. 2020. “Emulsion Stability of Heavy Oil With Surfactants and Nanoparticles: DOI: 10.14800 IOGR.1177”. Improved Oil and Gas Recovery 4 (December). https://smartscitech.com/index.php/IOGR/article/view/1177.