D. Bogataj, S. Drobne, M. Bogataj, and V. Rogelj, Geo-gerontološki observatorij: Podravska regija. Maribor, Slovenija: Alma Mater Europaea University – Alma Mater Press, 2023. Accessed: Feb. 03, 2025. [Online]. Available: https://press.almamater.si/index.php/amp/catalog/book/55