International University for the Humanities and Development - Mr. Habib Halmamedov International University for the Humanities and Development - Dr. Nazar Mammedov International University for the Humanities and Development - Mr. Rahman Rahmanov Oguzhan Engineering-Technology university of Turkmenistan - Mr. Hydyrguly Kadyrov Oguzhan Engineering-Technology university of Turkmenistan - Mr. Hydyrguly Kadyrov Oguzhan Engineering-Technology university of Turkmenistan - Mr. Ahal Akgayev State Power Engineering Institute of Turkmenistan - Mr. Bayram Jumayev State Power Engineering Institute of Turkmenistan, Turkmenistan - Mr. Rejepdurdy Agayew