https://www.openfest.org/2014/en/2014/11/28/mind-patterns-and-anti-patterns-vladimir-dzhuvinov/ OpenFest is the only conference of its kind in Bulgaria, dedicated to open culture, free and open-source software, the free exchange of knowledge - a festival of the open culture. Fri, 28 Nov 2014 14:52:58 +0000 hourly 1 https://wordpress.org/?v=5.2.20