URL الوصول: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-204215http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-159841https://uu.diva-portal.org/smash/get/diva2:638079/FULLTEXT01.pdf
URL الوصول: https://urn.kb.se/resolve?urn=urn:nbn:se:nai:diva-889https://nai.diva-portal.org/smash/get/diva2:289223/FULLTEXT01.pdf
URL الوصول: https://lup.lub.lu.se/record/2223425