List of Articles volunteered Geographic information (VGI) Open Access Article Abstract Page Full-Text 1 - Object-oriented and web-based design based on citizen science to collect geospatial information on urban deterioration Mohammad H. Vahidnia Seyed Mohammad Ebrahim Mousavi 10.30495/jest.2022.67005.5671 Open Access Article Abstract Page Full-Text 2 - Exploring OpenStreetMap to collect volunteered geographic information on the occurrence of road accidents Seyed Amir Hossein Kiaei Mohammad Hassan Vahidnia Saeed Behzadi