(2019). . , 24(2), 197-206. doi: 10.22059/jdesert.2019.76360
. "". , 24, 2, 2019, 197-206. doi: 10.22059/jdesert.2019.76360
(2019). '', , 24(2), pp. 197-206. doi: 10.22059/jdesert.2019.76360
. , 2019; 24(2): 197-206. doi: 10.22059/jdesert.2019.76360


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