Ph.D., University of Colombo, Sri-Lanka
Ph.D,University of Alberta, Canada, Canada
Ph.D, New York University, Buffalo, USA, United States
Ph.D Institute of Social Studies, Netherlands, The Netherlands
Ph.D from Australia, Australia
Ph.D, University of Groningen, The Netherlands
Ph.D, University of Göttingen, Germany
Ph.D, University of Birmingham, UK, United Kingdom
Ph.D, The University of Nottingham, United Kingdom
Ph.D, Monash University, United States
Ph.D, California University, Berkely, United States
Ph.D, Wageningen University, The Netherlands, The Netherlands
PhD, Monash University, Australia, Australia
Ph.D, University of Colorado, Boulder, USA, United States
Ph.D from Belgium University, Germany
Ph.D from USA, United States
PhD, School of Agriculture, Food and Wine, The University of Adelaide, Australia, Australia
Ph.D, Auburn University, USA, United States
Ph.D Institute of Social Studies, Netherlands, The Netherlands
