الوصول الحر: https://explore.openaire.eu/search/publication?articleId=78975075580c::d3c1d90724fc988b26500742ffa596c1Testhttps://www.ajol.info/index.php/sajaa/article/view/143090Test
الإتاحة: http://www.ajol.info/index.php/sajaa/article/view/114876Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=78975075580c::b884e4f24b84ee67ab510adbab0a216dTesthttps://www.ajol.info/index.php/sajaa/article/view/106609Test
الوصول الحر: https://explore.openaire.eu/search/publication?articleId=78975075580c::018c0dc9829e66514a7f95f0872d25ddTesthttps://www.ajol.info/index.php/sajaa/article/view/106601Test