A. Goanță, “Comparative study on the applicability of "extrusion" command in the design software taught in higher education institutions”, Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering, vol. 19, no. 2, pp. 5-10, Nov. 2012.