Capek, Jan, and Robert Bata. “Workflow Modelling Within Selected Part of Public Administration Focused to the Regional Office”. Journal of Information Systems and Technology Management, vol. 4, no. 2, Oct. 2007, pp. p. 113-126, https://jistem.tecsi.org/index.php/jistem/article/view/10.4301%252FS1807-17752007000200001.