Stepanov, V., Korchynskyi, V., Kildishev, V., Zarovskyi, R., Havel, S., Slavych, V., & Petrovskyi, R. (2026). Devising a combined spectrum spreading method for timer signal structures to improve covert information transmission. Eastern-European Journal of Enterprise Technologies, 3(9 (141), 16–25. https://doi.org/10.15587/1729-4061.2026.365354