“…As mentioned above, marker-based AR is mostly used indoor meanwhile, markerless AR is often used outdoor. Most of the studies carried out AR indoor Che Samihah et.al., 2019;Yaacob et.al., 2019;Solak & Cakir, 2016;Chen , 2018;Taskiran, 2018;Redondo et.al., 2019;Tobar-Munoz et.al., 2018;Danaei et.al., 2020;Sadikin & Martyani, 2020;Martinez et.al., 2017;Al-Asheeri, 2017;Safar et.al., 2017;Chen & Chan, 2019;Soo et.al., 2019;Tsai, 2020) compared to outdoor (Richardson et.al., 2016;Yeh & Tseng, 2020). At the same time, the studies also showed that AR can be used simultaneously indoor and outdoor (Lee et.al., 2019;Wang & Khambari, 2020).…”