1.
Milchev G, Miltchev R. Development of Information Technologies, Planned Obsolescence and Modification of the Life-Cycle of the CAD/CAM/CAE Systems. EJSD [Internet]. 2018Oct.1 [cited 2024Feb.28];7(3):217. Available from: https://ojs.ecsdev.org/index.php/ejsd/article/view/701