Fadil Bajraktari, Sami Behrami and Nazmi Zogaj: Inhabited caves in Kosovo

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Rosana Cervenik: Impacts of Visitors on Cave’s Physical Environment

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Jelena Goljanin: Geoturistic potential of Omladinska Cave (BiH) 

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Mariana Lukić Tanović and Jelena Golijanin: Population on the karst area of the East Sarajevo and its impact on the quality of karst environment

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Stjepan Mekinić and Gvido Piasevoli: Tourist valorization of Grapčava cave on the island of Hvar, Croatia

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​Boško Miloš and Aleksandra Bensa: Heavy metals in terraced soils from Primošten, Croatia

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Jasminko Mulaomerović, Primož Presetnik and Jasmin Pašić: The results of bat research in the Bijambare protected landscape during the year 2015-2017 

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R. Gojko Nikolić: Geodiversity and geoheritage of Montenegro and their geoecological basis 

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Ankica Oros Sršen, Petra Bajo, Siniša Radović, Mateo Petrović, Domagoj Perkić and Jadranka Mauch Lenardić: Quaternary deposits of Spila nad Procjepom cave (Mljet)

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Mirja Pavić, Dalibor Paar, Diana Mance and Andrej Stroj: Stable isotope analysis of Mt. Velebit karst hydrological system: Water, ice and snow

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Jona Petešić, Josipa Grbin and Danijel Milić: Karst ponds – Source of life from prehistory to present day

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Carol Ramsey, Paul Griffiths and Tim Stokes: Unmanned Aerial Vehicles (UAVs) in Karst Research and Monitoring

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Krešimir Petrinjak, Marko Špelić, Dea Brunović, Nikola Belić, Pavle Ferić, Vlatko Brčić, Lara Wacha, Maša Surić, Snježana Markušić and Tvrtko Korbar: Research on active tectonics in densely populated Kvarner area characterized by highly dissected Dinaric Karst

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Sanda Šušnjar and Jelena Golijanin: Spatial analysis of speleological objects in the Pale municipality and their speleotouristic potential

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Dalibor Vladović and Božena Mitić: Analysis of Family Scrophulariaceae From Carl Studniczka's Herbarium