Mamatov, N.S., et al. “SÓYLEW SIGNALLARINDAǴI SHAWQIMDI JOQ ETIWDE AYNALAW USILLARIN PAYDALANIW”. SCIENCE and SOCIETY, no. 3-1, Aug. 2023, pp. 18-21, https://journal.ndpi.uz/ss/article/view/2023-3-1-009.