Tchórzewski, Jerzy, and Tomasz Kania. “Cluster Analysis on the Example of Work Data of the National Power System. Part 1. Comparative Study of Methods and Conditions”. Studia Informatica. System and information technology 23, no. 1-2 (December 22, 2020): 25–42. Accessed November 21, 2024. https://czasopisma.uws.edu.pl/studiainformatica/article/view/1865.