“…After scanning the summaries of the complete documents, 14 articles were identified. These documents are: Ahmed, Asghar, Malik and Nawaz (2020), Norouzi, Fani and Ziarani (2020), Singh, Bhardwaj, Arya and Khatri (2020), Sun, Ak, Serener and Xiong, (2020), Topcu, Altinoz and Aslan (2020), Johnston, Lim and Roh (2019), Zaidi, Wei, Gedikli, Zafar, Hou and Iftikhar (2019), Ahmed et al(2016), Palazuelos, (2016, Zou, Zhao, Zhang and Xiong (2016), Chapman, Tonts and Plummer (2015), Kotey and Rolfe (2014), Hall et al (2003) and Munasinghe (1993).…”