Sherbek Khayitov, Aziz Muxamedaminov, Akmal Boboev, Jamshid Yusubov, Dinara Atadjanova. “FEATURES OF DIGITAL SYSTEMS IN ASEAN COUNTRIES”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, Apr. 2020, pp. 1839 -45, http://sersc.org/journals/index.php/IJAST/article/view/10341.