“…Studies conducted by researchers in the developed countries showed an improvement in product quality and delivery time (Papalexi et al , 2015; Nguyen and Do, 2016); productivity (Marin-Garcia and Bonavia, 2015); market share, sales, profit margins, cost, labour productivity and lead time (Chavez et al , 2015); reduction of cycle time, inventory and bottlenecks (Lacerda et al , 2016); product mix improvement (Bevilacqua et al , 2016); turnover (Bevilacqua et al , 2017) and reduction in waste and inefficiencies (Belvedere et al , 2019). The studies conducted by the researchers in the developing world also showed an improvement in operational performance variables such as profitability, sales and customer satisfaction (Nawanir et al , 2016); lead time and turnover improvement (Marodin et al , 2016); inventory reduction (Marodin et al , 2017; Panwar et al , 2017; Marodin et al , 2016); financial performance (Sahoo and Yadav, 2018); speed, flexibility and dependability (Maware and Adetunji, 2019a; Maware and Adetunji, 2019b); productivity and quality (Marodin et al , 2018; Panwar et al , 2017; El-Khalil, 2020).…”