URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::648110f70764d30a5e912fd119e9a69ehttps://doi.org/10.12816/0041171
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URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::2dacac8649aac3226ddba5d9f5b6ae29https://doi.org/10.12816/0025413
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