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COVID Antworten in den wissenschaftlichen Zeitschriften der Welt


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IAEME Publication Chennai: INTERNATIONAL JOURNAL OF CIVIL ENGINEERING AND TECHNOLOGY (IJCIET)
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1 [GO] 2021―Sep―23 THE NEED FOR THE SOCIAL DISTANCING ON THE CROWD MANAGEMENT OF MAJOR EVENTS DURING CORONAVIRUS: A CASE OF THE ISLAMIC PILGRIM ( HAJJ) Raed Nayif Alahmad
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