Champlain College, US | 2011 No. 2
Great Zimbabwe University, Zimbabwe | 2015 No. 1
Naik, Krishna C.N.
S.K. University, India | 2010 No. 3
Texas Wesleyan University, US | 2013 No. 3
Ngwane, Cabangile N.
Durban University of Technology, South Africa | 2014 No. 3
Nix, Susan J.
University of Barcelona, Spain | 2018 No. 3
Institute for Future Engineering, Japan | 2016 No. 3
Missouri State University, US | 2019 No. 4