Bulgarian National Television – Wearable Methodology May 2, 2018 https://bnt2.bnt.bg/bg/a/dobro-utro-s-bnt2-izlchvane-ot-plovdiv-26042018g http://news.bnt.bg/bg/a/nova-metodika-na-prepodavane-bazirana-na-senzorni-tekhnologii