Камишин, В. В. “Cystemno and Informational Efficiency Analysis Scales Qualimetry Academic Obdaro-Vanosti”. Problems of Informatization and Control 2, no. 42 (June 1, 2013): 45–55. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/PIU/article/view/6470.