Rao, Nasir Hamid and Bukhari, Syed Kalim Hyder (2010): Asymmetric Shocks and Co-movement of Price Indices. Published in: State Bank of Pakistan Working Paper Sereis (04. February 2011): pp. 1-26.
Bukhari, Syed Kalim Hyder; Abdul, Jalil and Rao, Nasir Hamid (2011): Detection and Forecasting of Islamic Calendar Effects in Time Series Data: Revisited. Published in: State Bank of Pakistan Working Paper Sereis , Vol. Working paper No. 39, No. May 2011 (15. May 2011): pp. 1-27.