A Review of Metaverse's Definitions, Architecture, Applications, Challenges, Issues, Solutions, and Future Trends. - Abbas M. Al-Ghaili; Hairoladenan Kasim; Naif Mohammed Al-Hada; Zainuddin Bin Hassan; Marini Othman; Jakir Hussain Tharik; Rafiziana Md. Kasmani; Ibraheem Shayea (IEEE Access, 2022)