http://www.globetory.com/templates/FireAndIce/img/logo.gifeSyndiCat Directory 2.2 http://www.globetory.com/Academic Departmentshttp://www.globetory.com/Science/Institutions/Academic-Departments/University of Pretoria - South Africahttp://www.globetory.com/Science/Institutions/Academic-Departments/university-of-pretoria-south-africa-l332.htmlFaculty of Natural and Agricultural Sciences.University of Khartoum - Sudanhttp://www.globetory.com/Science/Institutions/Academic-Departments/university-of-khartoum-sudan-l331.htmlFaculty of Sciences.Comenius University - Bratislava, Slovakiahttp://www.globetory.com/Science/Institutions/Academic-Departments/comenius-university-bratislava-slovakia-l330.htmlFaculty of Mathematics, Physics and Informatics.