المؤلفون: Victor Nee, Sonja Opper
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::fd787ee797ec22bc1f55561982deb880https://doi.org/10.1093/acprof:oso/9780198748465.003.0007
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::0abbb973f8b3819f319f52030cf4f47ahttps://doi.org/10.1093/acprof:oso/9780199678204.003.0043