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. "First Pages", Physical Geography Research, 50, 1, 2018, 1–5. doi: 10.22059/jphgr.2018.68659

. (2018). 'First Pages', Physical Geography Research, 50(1), pp. 1–5. doi: 10.22059/jphgr.2018.68659

, "First Pages." Physical Geography Research, 50 1 (2018): 1–5, doi: 10.22059/jphgr.2018.68659

. First Pages. Phys Geog Res. 2018;50(1):1–5 (In Persian). doi: 10.22059/jphgr.2018.68659