Shakeel Ahmad <br/><br/>
Chemistry Of Euphorbia Wallichii Hook F. And Salvia Nubicola Wall.  Ph.D. Thesis 

 - Karachi:  H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi  2007 
 -  Thesis, available in print and electronic formats, supervised by  Prof. Dr. Muhammad Shaiq Ali