TY - JOUR A1 - Manouchehri, M. A1 - Kiavarz Moghaddam, M. T1 - VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) AND ENVIRONMENTAL MONITORING, A NEW APPROACH IN DEVELOPING COUNTRIES JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-4/W4 SP - 401 EP - 405 Y1 - 2017/09/27 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-4-W4/401/2017/ L1 - https://isprs-archives.copernicus.org/articles/XLII-4-W4/401/2017/isprs-archives-XLII-4-W4-401-2017.pdf DO - 10.5194/isprs-archives-XLII-4-W4-401-2017 ER -