Buku Penyelidikan

wan mohd hirwani wan hussain.  (2015).  how to pay off debt fast- even you don`t have the money- the quickest and simplest way to get out debt and pay off debt fast.  - 52. 

wan mohd hirwani wan hussain.  (2014).  discover $ 100 per day..how to make money from internet while you are sleep.  - 78. 

wan kamal mujani, wan hirwani wan hussain & nurul atiqah jamalludin.  (2012).  kelas menengah muslim di malaysia: merintis sebuah penerokaan.  - Bab 8:169-188.