Muneefa Menwer Aldhafeeri , Eman Nasser Sand Alenzi, Reem Omar Mohamed Alenazy , ‏May Saad Almowans , Rana Saeed Alamri , ‏Reem Abdullah Ali Althebyani and Reham Obaidallah Ali Alansari , Sami Salm Altwergy , Ahmed Dhaifallah Alotaibi , Mohammad Abdulhadi Alharbi 2022. Impact Of Knowledge Towards Vaccine Preventable Diseases And Vaccination Among Prospective Hajj Pilgrims In The Pilgrimage Season In Saudi Arabia 2022. Migration Letters. 19, S5 (Jun. 2022), 752–764.