Akhmetova А.М., Shayakhmetova А.С., Zakirova А.Б., and Bakytzhanovа А. “Improvement of Wireless GSM Earthquake Warning System for Early Warning”. Eurasian Journal of Applied Engineering and Technology (EJAET) 140, no. 3 (September 30, 2022): 32–42. Accessed July 28, 2026. https://bultech.enu.kz/index.php/main/article/view/311.