Drupal-Bibcite0<style face="normal" font="default" size="100%">Proportional hesitant 2‐tuple linguistic distance measurements and extended VIKOR method: Case study of evaluation and selection of green airport plans</style><style face="normal" font="default" size="100%">Proportional hesitant 2‐tuple linguistic distance measurements and extended VIKOR method: Case study of evaluation and selection of green airport plans</style>