Maskeliūnas, R., A. Rudžionis, K. Ratkevičius, and V. Rudžionis. “Modeling of Call Services for Public Sector”. Elektronika ir Elektrotechnika 100, no. 4 (March 23, 2010): 81–86. Accessed February 12, 2026. https://eejournal.ktu.lt/index.php/elt/article/view/9882.