(2018). -. , 8(1), 131-141. doi: 10.22059/geope.2017.237332.648334
. "-". , 8, 1, 2018, 131-141. doi: 10.22059/geope.2017.237332.648334
(2018). '-', , 8(1), pp. 131-141. doi: 10.22059/geope.2017.237332.648334
-. , 2018; 8(1): 131-141. doi: 10.22059/geope.2017.237332.648334


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