(2019). . Journal Management System, 44(3), 196-203. doi: 10.30476/ijms.2019.44974
. "". Journal Management System, 44, 3, 2019, 196-203. doi: 10.30476/ijms.2019.44974
(2019). '', Journal Management System, 44(3), pp. 196-203. doi: 10.30476/ijms.2019.44974
. Journal Management System, 2019; 44(3): 196-203. doi: 10.30476/ijms.2019.44974


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