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الوصول الحر: https://explore.openaire.eu/searchTest/
publication ?articleId=doi_dedup___::91fdd4befa2f14848e6d8afc294150cb
https://ruj.uj.edu.pl/xmlui/handle/item/133697Test -
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الوصول الحر: https://explore.openaire.eu/searchTest/
publication ?articleId=doi_dedup___::1e61fad13aaaa94d62a8cc2de46ea6dd
http://hdl.handle.net/11383/2088078Test -
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الوصول الحر: https://explore.openaire.eu/searchTest/
publication ?articleId=doi_dedup___::bbb459cc744ed35d1eb85e34a12c091f
https://serval.unil.ch/notice/serval:BIB_D3769E7B0D4CTest -
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الوصول الحر: https://explore.openaire.eu/searchTest/
publication ?articleId=doi_dedup___::cf0a6ec97410feea687a825d67b59d54
https://hdl.handle.net/10668/431Test -
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الوصول الحر: https://explore.openaire.eu/searchTest/
publication ?articleId=doi_dedup___::6c0d9e4f17efa1e2c94161c9ebc20f52
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-104495Test