University of the West Indies, St. Augustine Department of Mathematics and Computer Science. http://www.dmcs.uwi.tt/

University of the West Indies, Kingston Department of Mathematics and Computer Science. http://wwwcs.uwimona.edu.jm:1104/

University of the West Indies, Cave Hill Campus Department of Computer Science, Mathematics and Physics. http://scitec.uwichill.edu.bb/cmp/

Hacettepe University, Ankara Department of Mathematics. http://www.mat.hacettepe.edu.tr/