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5كتاب
الوصول للمادة أونلاين: https://purl.fdlp.gov/GPO/gpo156678Test
https://www.fhwa.dot.gov/publicationsTest/research /infrastructure/pavements/ltpp/21019/21019.pdf
https://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=0982-G-11&SYS=001158552Test -
6كتاب
الوصول للمادة أونلاين: https://purl.fdlp.gov/GPO/gpo156490Test
https://www.fhwa.dot.gov/publicationsTest/research /infrastructure/pavements/ltpp/21018/21018.pdf
https://catalog.gpo.gov/fdlpdir/locate.jsp?ItemNumber=0982-G-11&SYS=001158223Test -
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9مؤتمر
الوصول الحر: https://
research .hanze.nl/nl/activities/af354a70-1af2-47be-9205-34f6e33a700c
https://edusources.nl/materialen/ac075e5d-5509-4d28-872b-93e093d2bd1bTest/ -
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