(2020). . , 4(1), 77-80. doi: 10.22059/jcss.2020.74782
. "". , 4, 1, 2020, 77-80. doi: 10.22059/jcss.2020.74782
(2020). '', , 4(1), pp. 77-80. doi: 10.22059/jcss.2020.74782
. , 2020; 4(1): 77-80. doi: 10.22059/jcss.2020.74782


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