حاتم البلک, . (2021). The role of employee engagement in improving Human sigma: Applied study on Egyptian banking sector. test, 35(2), 41-62.
مصطفى حاتم البلک. "The role of employee engagement in improving Human sigma: Applied study on Egyptian banking sector". test, 35, 2, 2021, 41-62.
حاتم البلک, . (2021). 'The role of employee engagement in improving Human sigma: Applied study on Egyptian banking sector', test, 35(2), pp. 41-62.
حاتم البلک, . The role of employee engagement in improving Human sigma: Applied study on Egyptian banking sector. test, 2021; 35(2): 41-62.