« The Use of Systems Analysis in Environmental Engineering » (2005) The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 28(2), p. 90–92. Disponible sur: https://ojs.ugal.ro/index.php/mms/article/view/3260 (Consulté le: 2 novembre 2026).