- http://zovnews.com/bg/mladi-hora-opoznavaha-skalni-obekti-v-patuvashto-lyatno-uchilishte
- http://www.focus-radio.net/?action=opinion&id=21210
- http://www.137sou.org/index.php/bg/proekti/unesco-projects
- http://eg-vratza.org/международна-конференция-посветена
- http://www.dnesbg.com/obshtestvo/ekip-ot-gimnaziyata-po-turizam-se-vklyutchi-v-mezhdunarodna-shkola-po-karsta.html
- http://www.titan.bg/новини/страница/7.html
- http://www.karstwanderweg.de/schulen/pm_10_2015/index.htm
- http://suedharzkurier.blogspot.bg/2015/10/unesco-forderpreis-fur-schulprojekt-auf.html
- http://www.mpin.gov.me/rubrike/srednje-obrazovanje/150394/Saopstenje-Ucenici-SMs-17-septembar-iz-zabljaka-postigli-izuzetne-rezultate-na-Trecem-medunarodnom-likovnom-takmicenju-Kras-pod.html
- http://17septembar.me/?p=700
- http://gymn19.ru/news/pobeda-v-konkurse-yunesko
- http://www.livani.lv Виж и на тези сайтове:
- www.prokarstterra.bas.bg/competition/bg/publications.html
- www.prokarstterra.bas.bg/travel-school/bg/feedback.html