nafisah mohammed, abdul ghafar ismail, junaina mohamad.  (2016).  concentration and competition in dual banking industry: a structural approach.  - jurnal ekonomi malaysia.  49-70. 

nafisah mohammed, abdul ghafar ismail, junaina muhammad, suhaila abdul jalil & zaleha mohd noor.  (2015).  market concentration of malaysia`s islamic banking industry.  - jurnal ekonomi malaysia.  3-14.