URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6857a4bad0efae7d503503fe2af3272https://doi.org/10.3109/02770903.2015.1033724
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8dedbe309e4993619f5174a0dee56d9https://doi.org/10.3109/02770903.2012.672612
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a76da29c710b6aa093746cd946aec1fehttps://doi.org/10.3109/02770903.2011.570406