| România: geografia turismului N Ciangă, MG Oprea Presa Universitară Clujeană, 2018 | 128 | 2018 |
| The effects of global economic crisis on the air transport of passengers in Europe and in Romania M Oprea GeoJournal of Tourism and Geosites 5 (1), 52-61, 2010 | 23 | 2010 |
| The volcanic ash and its impact on European air transport industry. A case study on the detection and impact of the the Eyjafjallajökull volcanic ash plume over North-Western … N Ajtai, HI Ştefănie, LC Stoian, MG Oprea Advances in Environmental Sciences 2 (1), 57-68, 2010 | 18 | 2010 |
| Physico-chemical properties of some glacial lakes in the Romanian Carpathians AI Pop, R Mihăiescu, T Mihăiescu, MG Oprea, C Tănăselia, A Ozunu Carpathian Journal of Earth and Environmental Sciences 8 (4), 5-11, 2013 | 12 | 2013 |
| The reconstruction of “The Salt Road”–a means to develop and promote the saline health tourism in Transylvania N Ciangă, GM Oprea, D Costea, L Giurgiu, I Cianga Journal of Tourism Challenges and Trends 3 (2), 81-100, 2010 | 7 | 2010 |
| Study on Bâlea and Călţun Glaciar Lakes, from Făgăraş Mountains AI Pop, R Mihăiescu, T Mihăiescu, E Muntean, C Tănăselia, C Maloş, ... ProEnvironment/ProMediu 5 (12), 2012 | 6 | 2012 |
| The impact of tourism in mountain lakes ecosystems AJ Pop, R Mihăiescu, A Ozunu, T Mihăiescu, MG Oprea, IV Ardelean, ... Case study: Lake Avring, Fagaras Mountain. ProEnvironment 4, 319-323, 2011 | 6 | 2011 |
| A MODEL FOR CALCULATING THE COEFFICIENT OF ACCESSIBILITY IN THE TRANSYLVANIAN ADMINISTRATIVE TERRITORIAL UNITS. MG Oprea Studia Universitatis Babes-Bolyai, Geographia, 2011 | 5 | 2011 |
| The use of Rapid Impact Assessment Matrix (RIAM) in Assessing the Environmental Impacts in Protected Areas. Case Study: Mountain Glacial Lakes Areas in Romania R MIHAIESCU, AI Pop, OL Muntean, T MIHAIESCU, C MALOS, ... ProEnvironment Promediu 8 (24), 2015 | 3 | 2015 |
| Impactul dezvoltării infrastructurii de transport asupra turismului din Transilvania MG Oprea | 2 | 2012 |
| BRASOV AIRPORT AND HIS IMPACT ON TOURISM MG Oprea, C Mathe, L Bruckner Conference Volume Gheorgheni, 2010 | 2 | 2010 |
| ANALYSIS OF TOURISTS’BEHAVIOR IN CLUJ-NAPOCA, ROMANIA V TOADER, AL NEGRUȘA, SA COSMA, C BOLOG, MG OPREA, M LAZIN, ... Romania: University Babes-Bolyai, Faculty of Business, 2016 | 1 | 2016 |
| THE VULNERABILITY ANALYSIS OF A MOUNTAIN RIVER ECOSYSTEM ASSOCIATED TO ANTHROPIC ACTIVITIES, IN A TOURISTIC AREA IN ROMANIA I Ajtai, M Oprea, C Malos, A Radovici, C Botezan International Multidisciplinary Scientific GeoConference: SGEM 22 (3.1), 201-208, 2022 | | 2022 |
| FLOOD RISK MANAGEMENT AND SPATIAL PLANNING. THE IMPACT OF LAND USE CHANGES ON FLOOD DAMAGES: CASE STUDY OF RESITA CITY I Ajtai, SA Radovici, C Botezan, M Oprea, C Baciu International Multidisciplinary Scientific GeoConference: SGEM 21 (3.1), 91-98, 2021 | | 2021 |
| THE IMPACT OF ROAD TRAFFIC ON THE AIR QUALITY IN CLUJ-NAPOCA: CASE STUDY-NORTH RING ROAD FLOREŞTI-CLUJ-NAPOCA. EL NISTOR, A BODOR, MG OPREA, H ȘTEFĂNIE Studia Universitatis Babes-Bolyai, Ambientum 64 (2), 2019 | | 2019 |
| The Impact of Road Traffic on the Air Quality in Cluj-Napoca: Case Study – North Ring Road Floreşti – Cluj-Napoca H Nistor, Elena, Bodor, Anamaria., Oprea, Marius George, Ştefănie Studia Universitatis - seria Ambientum 2 (2/2019), 2019 | | 2019 |
| Traditions, Adaptability and Trends Ş DEZSI, N CIANGĂ, MG OPREA, R RUSU Transylvanian Review 24 (SUPPLEMENTNO. 1), 307-318, 2015 | | 2015 |
| THE IMPACT ON TOURISM OF TRANSPORT INFRASTRUCTURE DEVELOPMENT IN TRANSYLVANIA. N Cianga, MG Oprea, L GIURGIU, L BRUCKNER Studia Universitatis Babes-Bolyai, Geographia 1, 199-206, 2012 | | 2012 |
| Study on Bâ lea and CălÅ£ un Glaciar Lakes, from Făgăraș Mountains AI POP, M Radu, M Tania, E MUNTEAN, TÄ Claudiu, C MALOȘ, ... ProEnvironment Promediu 5 (12), 2012 | | 2012 |
| A Study of the 2-Mercaotobenzothiazole Electrochemical Oxidative Coupling with Amines ND Totir, E Balbaie, SM Doncea, M Oprea, E Cerbu REVISTA DE CHIMIE-BUCHAREST- 47, 1002-1008, 1996 | | 1996 |
