Касьянов ВО, Гуз ЮТ, Прохоренко ІВ. The use of entropiynogo principle of optimality is in the estimation of theory of educational process. PIC [Internet]. 2009 Jun. 22 [cited 2026 Jun. 14];2(26):63-7. Available from: http://jrnl.kai.edu.ua/index.php/PIU/article/view/6981