W. Khalid Obeidy, H. Arshad, and J. Yao Huang, “A Proposed Model of Acceptance for Smart Glasses based Outdoor Augmented Reality Applications at UNESCO World Heritage Sites”, IJET, vol. 7, no. 3.20, pp. 354–360, Sep. 2018, doi: 10.14419/ijet.v7i3.20.19272.