URL الوصول: https://doaj.org/article/3557901200ed4901b48886d4b34b5547
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::eef65d91bad2f333d421ece92589e8fehttps://doi.org/10.1016/b978-0-323-85542-6.00019-6
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::bde8f1c6b28f7b52d044529bd4c7b10bhttps://doi.org/10.1016/b978-0-323-85542-6.00017-2
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::7feac616283ee4b260ba7ee129558a1ehttps://doi.org/10.1016/b978-0-323-85542-6.00020-2
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::9b8c27d3baced5725f451daead268f23https://doi.org/10.1016/b978-0-323-85542-6.09992-3