TY - BOOK AU - Rizwan Abbas (11515) TI - Generalized roughness in (a,b)-fuzzy s-acts U1 - 510 PY - 2017/// CY - Islamabad PB - (unpublished) KW - Mathematics KW - Fuzzy s-acts KW - Rough s-acts KW - Semigroups KW - Monoid KW - DBS KW - FEAS N1 - Submitted in the fulfillment of the requirements for the degree of Master of Philosophy to the Faculty of Basic Sciences; Includes bibliographical references; Thesis supervisor. Dr. M. Yaqub Khan; Thesis (Mphil)--Riphah International University, 2017 ER -