AZEEZ, Athraa W.; HUSSEIN, Hussein Q. Investigating the effects of ultrasonic waves and nanosilica on the viscosity reduction of Sharqy Baghdad heavy crude oil. Iraqi Journal of Chemical and Petroleum Engineering, Baghdad, Iraq., v. 25, n. 4, p. 61–71, 2024. DOI: 10.31699/IJCPE.2024.4.6. Disponível em: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/1265. Acesso em: 3 apr. 2025.