@incollection{, 55046C334B2731B284D4773BBF8F6327 , author={{DR. Mohammad AbuOmar} and {Dr. Imad Abed ElateefIshtayyah} and {Dr. Osama AminMarie} and {Al- Quds Open University.}}, journal={{Global Journal of Computer Science and Technology}}, journal={{GJCST}}0975-41720975-435010.34257/gjcst, address={Cambridge, United States}, publisher={Global Journals Organisation}2033944 } @book{b0, , title={{}} , author={{ VítorBurity }} COVID-19 , year={2020} } @book{b1, , title={{}} , author={{ FaridehPiri }} , year={2020} , note={covid 19} } @book{b2, , title={{}} , author={{ CatherineHill }} , year={2020} 19 } @book{b3, , title={{An Effective Model to Design the Management Information Systems}} , author={{ AbuOmar } and { DrMohammad }} , year={2016} , publisher={MIS). Scholars Press} } @incollection{b4, , title={{A New Approach to Increase the Efficiency of Classical Approach In Designing Management Information Systems (MIS'S)}} , author={{ MMOmar }} , journal={{IJRCCT}} 3 , year={2014} } @incollection{b5, , title={{Developing New Methods in designing Management Information Systems to solve Management Problems by using Classical Approach}} , author={{ MMOmar }} , journal={{International Journal of Computer Applications}} 101 , year={2014} } @incollection{b6, , title={{Testing the Use of the Integrated Model in Designing the Management Information Systems by Using the Mathematical Probability Theories}} , author={{ MM AOmar } and { KAAbdullah }} , journal={{International Journal of Advanced Computer Science & Applications}} 1 , year={2015} } @incollection{b7, , title={{Developing a New Integrated Model to improve the using of Classical Approach in Designing Management Information Systems}} , author={{ MM AOmar } and { KAAbdullah }} , journal={{International Journal of Advanced Computer Science & Applications}} 1 , year={2015} } @incollection{b8, , title={{USING OF NET PRESENT VALUE (NPV) TO TEST THE INTEGRATED MODEL IN BUILDING MANAGEMENT INFORMATION SYSTEMS}} , author={{ MM AOmar } and { KAAbdullah }} , journal={{Journal of Economics Finance and Accounting}} 3 , year={2016} } @book{b9, , title={{The design and realization of CoViD: A system for collaborative virtual 3D design. Virtual Reality}} , author={{ Wolfgang&Stuerzlinger } and { Zaman } and { &Loutfouz } and { Pavlovych } and { &Andriy } and { Ji-YoungOh }} 147.10.1007/s10055-006-0048-0 , year={2006} 10 }