Table 10. Quality assessment score.

References	Score	Total
(Martin & Ertzberger, 2013) (Liu, Li & Carlsson, 2010) (Sandberg, Maris & Geus, 2011) (Hsu, Hwang & Chang, 2013) (Wong & Looi, 2010) (Sandberg, Maris & Hoogendoorn, 2014) (Huang et al., 2016) (Lin, 2014) (Huang et al., 2011) (Dashtestani, 2015) (Wong, 2013) (Huang, 2014) (Lai & Zheng, 2017) (Chang et al., 2013) (Amer, 2014) (Tsai et al., 2016) (Teng, 2018) (Botero, Questier & Zhu, 2018) (Çakmak & Erçetin, 2017) (Ou-Yang & Wu, 2016) (Chen, Liu & Huang, 2019) (Fisser, Voogt & Bom, 2012) (Ng et al., 2020) (Önal, Çevik & Şenol, 2019) (Zhang & Pérez-Paredes, 2019) (Chu, Wang & Wang, 2019)	8	26
(Liu & Chen, 2014) (Liakin, Cardoso & Liakina, 2014) (Wu, 2018) (Elgün-Gündüz, Akcan & Bayyurt, 2012) (Gafni, Achituv & Rahmani, 2017) (Bouchaib, Ahmadou & Abdelkader, 2018) (Kirsch & Izuel, 2017) (Kalogirou, Beauchamp & Whyte, 2017)	7	8
(Holden & Sykes, 2011) (Kim, Ruecker & Kim, 2017) (Wang, Zou & Xing, 2014) (Yurdagül & Öz, 2018) (Zhang, 2016) (Uematsu, 2012) (Pham, Nguyen & Chen, 2017) (Shih, 2017) (Tragant et al., 2015) (Chen & Lin, 2018) (Kohnke, Zhang & Zou, 2019) (Klimova & Polakova, 2020) (Tshering et al., 2018) (Krasulia & Saks, 2020)	6	14
(Cheon et al., 2012) (Dennen & Hao, 2014) (Hazaea & Alzubi, 2018) (Bourekkache & Kazar, 2020) (Ramadoss & Wang, 2012) (Ishaq et al., 2020a) (Ishaq et al., 2020b) (Ishaq et al., 2020d) (Yanes & Bououd, 2019) (Angelia & Suharjito, 2019)	5	10
(Kearney et al., 2012) (Zhang, Song & Burston, 2011) (Bohm & Constantine, 2016) (Avci & Adiguzel, 2017) (Petersen, Procter-Legg & Cacchione, 2013) (Quan, 2016) (Makoe & Shandu, 2018) (Shahbaz & Khan, 2017) (Ishaq et al., 2019)	4	9