TY - BOOK AU - Faiza Shabbir (14090) TI - A study of roughness in lattice ordered soft sets U1 - 510 PY - 2018/// CY - Islamabad PB - (unpublished) KW - Roughness - lattice ordered KW - Lattice ordered KW - Soft sets KW - Rough sets KW - DBS KW - FEAS N1 - Submitted in fulfillment of the requirement for the degree of Master in Philosophy in Mathematics to the Faculty of Basic Sciences & Humanities.; Includes bibliographical references; Thesis supervisor: Dr. Noor Rehman; Thesis co.supervisor: Dr. Muhammad Irfan Ali; Thesis (M.Phil)--Riphah International University, 2018 ER -