الوصول الحر: https://explore.openaire.eu/search/publication?articleId=jairo_______::c5399ca9ece70c8733e92684fdbdebe3Testhttp://hdl.handle.net/2433/57247Test
الإتاحة: http://hdl.handle.net/2433/57247Test
الإتاحة: https://doi.org/10.14989/doctor.k13791Testhttp://hdl.handle.net/2433/57247Test