Le Hong Nguyen, Le Thanh Phuong, Dang Thi Tuyet Mai and Nguyen Minh Hieu 2018. Assessment of thermal efficiency and proposed solutions for improving energy saving of auxiliary boiler system 10B8001 in Phu My fertilizer plant. Petrovietnam Journal. 4, (Apr. 2018), 38-49. DOI:https://doi.org/10.25073/petrovietnam journal.v4i0.64.