URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8d98de6ffddaa6e8a2ff958daf0339chttps://doi.org/10.1002/cssc.202002011
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::f5968b580386480fb143621fed0ebc98https://doi.org/10.1016/0026-265x(90)90056-b
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::57d6f33d32a27b57b5027bd5baf004ffhttps://doi.org/10.1002/chin.198629190
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::b53ae8d6ec1e1e26f98e0d6efe62af19https://doi.org/10.1002/chin.198815201