“Optimization and Control of the Operation Level in the Manufacturing System”. 2014. Analele Universităţii "Dunărea de Jos" Din Galaţi. Fascicula XIV, Inginerie Mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 21 (1): 17-20. https://ojs.ugal.ro/index.php/im/article/view/3529.