URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::5508400c4439f853de67e8146c9eda9dhttps://doi.org/10.12816/0017792
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::62e481a22dfb24c876f3795354eb9df9https://doi.org/10.12816/0001363
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::787785f5fadedf7efce77eb8ce31e62ehttps://doi.org/10.12816/0001358