- Rafiee, A. , “Radiation Screening Effect and Noise factor on Black Hole mass estimates”, York University, The Woolly Spider Monkey Conference, 2008
- Rafiee, A. , “Quasar lifetime and Black Hole spin”, York University, The Golden Lion Tamarin Conference, 2007
- Rafiee, A. , “On Supper-massive Black Hole mass estimates”, York University, The Red Uakari Monkey Conference, 2006
- Rafiee, A. , “Super Massive Black Hole Mass (SMBH) estimation by Sloan Digital Sky Survey (SDSS)”, York University, The Capuchin Monkey Conference, 2005