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. "First Pages", Physical Geography Research, 47, 2, 2015, 1-5. doi: 10.22059/jphgr.2015.54680

. (2015). 'First Pages', Physical Geography Research, 47(2), pp. 1-5. doi: 10.22059/jphgr.2015.54680

, "First Pages," Physical Geography Research, 47 2 (2015): 1-5, doi: 10.22059/jphgr.2015.54680

. First Pages. Phys Geog Res. 2015;47(2):1-5 (In Persian). doi: 10.22059/jphgr.2015.54680