“…Kahraman et al ( 2014 ) extended Buckley's ( 1985 ) fuzzy AHP approach based on type-1 fuzzy clusters into interval type-2 fuzzy clusters (Buckley, 1985 ; Çalık & Paksoy, 2017 ; Kahraman et al, 2014 ). The AHP technique was developed by Saaty (Saaty, 1980 ) and it has been used to find solutions to or help solve decision-making problems in various fields onward the day it was developed (risk assessment (Adem et al, 2018 ), green ergonomics (Adem et al, 2021 ), occupational health and safety (Adem et al, 2020 ), machine selection (Özceylan et al, 2016 ); site selection (Paul et al, 2021 ); vendor selection Gernowo & Surarso, 2021 ; data intelligence implementation (Merhi, 2021 ); green energy (Asadi and Pourhossein, 2021 )).…”