00778nam a22001697a 4500040003600000082001300036100002500049245005200074260003500126300003100161500014100192500010000333500004000433502005600473546001200529650006700541  cRiphah International University  a514bARI  aArif Mehmood (10643)  aSome contribution to bi-soft topological spaces  aIslamabadb(unpublished)c2020  axvii, 82 p.c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Doctor of Philosophy in Mathematics to the Department of Basic Sciences.   aThesis supervisor: Dr. Muhammad Asad Zaighum
                              Dr. Saleem Abdullah
  aIncludes bibliographical references  aThesis (PhD)--Riphah International University, 2020  aEnglish  aTopology vCrisp pointsvMathematicsvStatisticsvAxiomsvFBSH