00852nam a22001817a 4500040003600000082001300036100002200049245011600071260003200187300004100219500010300260500004000363500004000403502005500443502003300498546001200531650012700543  cRiphah International University  bNISa510  aNisar Ali (42422)  aAzcel alsina aggregation operators for multi-attribute group decision making using Pythagorean fuzzy rough sets  aLahoreb(unpublished)c2023  avarious pagesbill.c; 28.5 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Mathematics  aIncludes bibliographical references  aThesis supervisor:Dr. Kifayat Ullah  aThesis (MS)--Riphah International University, 2023  aRegistration no:S22C14G06013  aEnglish  aMathematicsvRough fuzzyvAggregation operatorsvData aggregationaDecision makingvFuzzy setvCrisp setsvMS_MathsvRICAS