Stopka, Ondrej, Vladislav Zitrický, Vladimír Ľupták, and Mária Stopková. “Application of Specific Tools of the Theory of Constraints – a Case Study”. Cognitive Sustainability 2, no. 1 (March 30, 2023). Accessed April 30, 2024. http://cogsust.com/index.php/real/article/view/48.