URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3f61c4611e32244409274b18eb3e6f1https://doi.org/10.3390/math9101082
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a88177f886edc6ad2c27d41f21fd336http://hdl.handle.net/10835/8421
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3dd0a51a2ddae475eabea98502a74ca3http://hdl.handle.net/10835/8721