[[1] Lukanova, G., Problems and Perspectives in the application of software in Bulgarian hospitality, Proceedings on "Technological innovations and tourism of Bulgaria", Publishing House Slavena, Varna, 92-102, 2004.]Search in Google Scholar
[[2] Mancheva-Ali, O., Maya Nikolova, The Role of the Local Hotel Systems in the Management of High-Class Hotels in the Veliko Tarnovo - Arbanassi Destination, Proceedings “Days of Science”, Volume 2, Union of Scientists, Veliko Tarnovo Branch Office, pp. 97-102, 2011.]Search in Google Scholar
[[3] Todoriev, V., Hotel operations, Sofia, Matkom Publishing House, 2008, 35 p.]Search in Google Scholar
[[4] Kraeva, V., Introduction to Information Technology, Svishtov, 2012, 14 p]Search in Google Scholar
