“…More so, it has only been applied once to solve an MCDM problem relating to sustainability issues when Ozdemir and Ozdemir (2018) employed the GCFI approach to select the best alternative among five residential heating systems. In the industrial sector, Demirel et al (2010) utilized GCFI to resolve a warehouse logistic issues for a large Turkish company while in the hospitality sector, Perçin (2019) used it to evaluate the quality of hospitals' websites; and Karczmarek et al (2018) employed GCFI for face recognition and classification; also, GCFI was used to evaluate equipment maintenance quality (Zhang et al, 2019), hybrid image encryption (Hosseinzadeh et al, 2019), and supplier selection for a steel factory (Çakır, 2017). Other applications of GCFI to solve MCDM problems include voice recognition, traffic surveillance, temperature prediction (Fang et al, 2010), game theory, neural networks (Qin et al, 2016), among others.…”