AL-Esayeh E. STATISTICAL ANALYSIS OF A TWO-UNT COLD STANDBY SYSTEM WITH TWO-TYPES OF FAILURE AND PREVENTIVE MAINTENANCE. AQJ [Internet]. 2019 Aug. 1 [cited 2026 Nov. 11];5. Available from: https://alqurtas.alandalus-libya.org.ly/ojs/index.php/qjhar/article/view/234