Pythagorean 2-tuple linguistic aggregation operators in multiple attribute decision making
Journal of Intelligent & Fuzzy Systems (2017) - Comments
doi: 10.3233/jifs-16715  issn: 1064-1246  issn: 1875-8967 

Guiwu Wei, Mao Lu, Fuad E. Alsaadi, Tasawar Hayat, Ahmed Alsaedi