URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::36bd791e7995a9077d2f509857686ea1https://doi.org/10.12816/0007369
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::787785f5fadedf7efce77eb8ce31e62ehttps://doi.org/10.12816/0001358