@inproceedings{sgem2021s01012, title = {MULTI-CRITERIA EVALUATION OF A POSSIBLE GEOPARK AT THE CONFLUENCE OF THE OKA AND VOLGA RIVERS}, author = {Alexander Ivanov and Lennart Bornmalm and E. Mitina and D. Malyshev}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Science and Technologies in Geology, Exploration And Mining}, year = {2021}, pages = {91-98}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2021/1.1/s01.012} }