Quang Hiep, P., Yurievna, K. I., Fedorovich, S. V. and Alexandrovich, P. G. (2015) “Methods and Algorythms of Alternatives Ranging in Managing the Telecommunication Services Guality”., Journal of Information and Organizational Sciences, 39(1). Available at: //jios.foi.hr/index.php/jios/article/view/942 (Accessed: 29 March 2025).