1. Tajik National University,Dushanbe,Tajikistan
2. International University of Tourism and Entrepreneurship of Tajikistan,Dushanbe,Tajikistan
3. Tajik State Pedagogical University mamed after Sadriddin Aini,Dushanbe,Tajikistan
4. Tajik Technical University Named after Academician M.S. Osimi,Dushanbe,Tajikistan