The Second Hyper-Zagreb Coindex of Chemical Graphs and Some Applications

por Ahmed Ayache, Abdu Alameri, Mohammed Alsharafi, Hanan Ahmed
Publicado 2021

Awareness and knowledge of different types of face masks amid the COVID-19 pandemic among health-care professionals across Kingdom of Saudi Arabia an original research

por Khadijah Ali Almomen, Hanan Ahmed Alghamdi, Hend Abdrahman Ahmad, Leena Faisal AlJaafar, Marwa Salman Alawad, Mayar Saad Alharbi, Nouf Abaalkhail
Publicado 2021