00828nam a22001937a 4500 0 0 0 1 RIU RIU 2021-02-08 Riphah International University 0 514 ARI 68009 2021-02-08 00:00:00 1 2021-02-08 TH 32825 32825 Riphah International University 514 ARI Arif Mehmood (10643) Some contribution to bi-soft topological spaces Islamabad (unpublished) 2020 xvii, 82 p. ; 30 cm. +CD Submitted in fulfillment of the requirements for the degree of Doctor of Philosophy in Mathematics to the Department of Basic Sciences. Thesis supervisor: Dr. Muhammad Asad Zaighum Dr. Saleem Abdullah Includes bibliographical references Thesis (PhD)--Riphah International University, 2020 English Topology Crisp points Mathematics Statistics Axioms FBSH TH