الوصول الحر: https://doaj.org/article/0543b82393b644009adc1b148b0d8841Test
الإتاحة: https://doi.org/10.18458/KB.2019.2.71Testhttps://ojs.lib.unideb.hu/kulonlegesbanasmod/article/view/7750Test
الإتاحة: http://hdl.handle.net/2437/319264Testhttps://ojs.lib.unideb.hu/kulonlegesbanasmod/article/view/7750Test
الإتاحة: http://hdl.handle.net/2437/242829Test