OKPIGHE, S. O.; JAMES EJENIKE OGAGAROJO OVRI; CHARLES MONYE. REVIEW OF OPERATING MODELS FOR THE DESIGN OF TURNAROUND MAINTENANCE OF TURBO GENERATORS. IJRDO - Journal of Electrical And Electronics Engineering (ISSN: 2456-6055), v. 5, n. 5, p. 01-24, 19 May 2019.