Bogataj, David, Samo Drobne, Marija Bogataj, and Valerija Rogelj. Geo-gerontološki Observatorij: Osrednjeslovenska Regija. Maribor, Slovenija: Alma Mater Europaea University – Alma Mater Press, 2023. Accessed March 31, 2025. https://press.almamater.si/index.php/amp/catalog/book/63.