Yermekov, Y. ., Rzayeva , L. ., Shayakhmetov, M. ., Atanbayev, Y. ., Igbayev, S. . and Batkuldin, A. (2026) “FORENSIC RECOVERY OF VIDEO EVIDENCE FROM DAHUA DHFS4.1 SURVEILLANCE SYSTEMS AFTER FORMATTING”, Scientific Journal of Astana IT University, 27(3), pp. 253–279. doi: 10.37943/FXNG8769 .