@article{YUJOR, author = {R. Tonić}, title = { Annual preventive maintenance scheduling for thermal units in an electric power system}, journal = {Yugoslav Journal of Operations Research}, volume = {20}, number = {2}, year = {2016}, keywords = {}, abstract = {}, issn = {2334-6043}, url = {https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/348} }