URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::1904981ca838ea353eb3382e7fa99cd8https://doi.org/10.1016/j.funeco.2016.01.001
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4074e2ce1cbdd8600b3a6a4aef442362https://pubmed.ncbi.nlm.nih.gov/24343200
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5e1c5811218fbd3344f3c53ead5c19b