Bulgarian Associative Dictionaries in the LABLASS Web-Based System. - Dimitar Popov; Velka Popova; Krasimir Kordov; Stanimir Zhelezov (SPECOM, 2020)

Steganography in color images with random order of pixel selection and encrypted text message embedding. - Krasimir Kordov; Stanimir Zhelezov (PeerJ Comput. Sci., 2021)