Video Acceptability and Frame Rate. - Ronnie T. Apteker; James A. Fisher; Valentin S. Kisimov; Hanoch Neishlos (IEEE Multim., 1995)

Securing the Core University Business Processes. - Veliko Ivanov; Monika Tzaneva; Alexandra Murdjeva; Valentin S. Kisimov (iNetSec, 2010)

Analyzing University Data for Determining Student Profiles and Predicting Performance. - Dorina Kabakchieva; Kamelia Stefanova; Valentin S. Kisimov (EDM, 2011)

Investigation of Accuracy of TOA and SNR of Radio Pulsar Signals for Vehicles Navigation. - Hristo Kabakchiev; Vera P. Behar; Dorina Kabakchieva; Valentin S. Kisimov; Kamelia Stefanova (Sensors, 2023)