TY - BOOK AU - Wajeeha Javed (15598) TI - Some dombi aggregation operators for interval valued Spherical fuzzy sets U1 - 510 PY - 2021/// CY - Lahore PB - (unpublished) KW - Mathematics KW - Spherical fuzzy KW - Fuzzy hamacher KW - Special cases KW - Multi attribute KW - Fuzzy KW - Math KW - RICAS N1 - A thesis submitted in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, 2021 ER -