Ebrahem Ahmad, O., H. khaleel Ibrahim, y M. Ahmed HusseinAil. «The Role Of Training And Development Strategy In Rais- Ing The Efficiency Of Human Resource Performance For Business Organizations. An Exploratory Study for Zain Iraq». Opción, Vol. 35, octubre de 2019, pp. 1203-2, https://produccioncientificaluz.org/index.php/opcion/article/view/31945.