Panayotova, G., Dimitrov, G., Petrova, S. Analysis of the Probabilities for Processing Incoming Requests in Public Libraries : [Електронен ресурс]. Zilina: EDIS Publ., 2014 pp. 462-464, ISBN 978-80-554-0866-8 ; ISSN 1339-2778.
Panayotova, G., Dimitrov, G., Petrova, S. Analysis of the Probabilities for Processing Incoming Requests in Public Libraries : [Електронен ресурс]. Zilina: EDIS Publ., 2014 pp. 462-464, ISBN 978-80-554-0866-8 ; ISSN 1339-2778.
Panayotova, G., Dimitrov, G., Petrova, S. (2014) Analysis of the Probabilities for Processing Incoming Requests in Public Libraries : [Електронен ресурс], Zilina: EDIS Publ. pp. 462-464, ISBN 978-80-554-0866-8 ; ISSN 1339-2778.
Panayotova, G., Dimitrov, G., & Petrova, S. (2014). Analysis of the Probabilities for Processing Incoming Requests in Public Libraries : [Електронен ресурс]. Zilina: EDIS Publ., pp. 462-464.
Panayotova G, Dimitrov G, Petrova S. Analysis of the Probabilities for Processing Incoming Requests in Public Libraries : [Електронен ресурс]. Zilina: EDIS Publ.; 2014. p. pp. 462-464. ISBN: ISBN 978-80-554-0866-8 ; ISSN 1339-2778.