Kovačević, Nenad, Aleksandra Stojiljković, and Mitar Kovač. “Application of the Matrix Approach in Risk Assessment”. Operational Research in Engineering Sciences: Theory and Applications 2, no. 3 (December 11, 2019): 55-64. Accessed June 30, 2022. https://oresta.rabek.org/index.php/oresta/article/view/32.