Shatovska, Tetyana, Victor Kauk, and Dmytro Vlasenko. “Methods for Building Geo-Social Systems in the Internet. Server Applications Technologies”. Eastern-European Journal of Enterprise Technologies 3, no. 4(45) (May 28, 2010): 19–22. Accessed July 20, 2024. https://journals.uran.ua/eejet/article/view/2808.