URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::653140a0a5de26ed592237111f6ab06dhttps://doi.org/10.1111/jerd.12831
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::b598f46fe3098564c766110e2758a920https://doi.org/10.4103/ejgd.ejgd_83_18
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b67b0716aad1c2331fab1ecd918e653https://hdl.handle.net/10550/77512