TY - BOOK AU - Umair Kamran (27277) TI - Some generalized Bonferroni mean operators for picture fuzzy information and their application U1 - 510 PY - 2022/// CY - Lahore PB - (unpublished) KW - Mathematics KW - Geometric mean KW - Bonferroni mean KW - Refusal grade KW - Unit interval KW - Fuzzy set KW - RICAS N1 - A thesis submitted in partial fulfillment of the requirements for the degree of Master of philosophy in Mathematics; Includes bibliographical references; Thesis Supervisor: Dr. Kifayat Ullah; Thesis (MS)--Riphah International University, 2022 ER -