Musil Robert,Maloutas Thomas,Matznetter Walter,Budovic Aljosa B,Ratkaj Ivan,Schnelzer Judith,Siatitsa Dimitra (2026) Varieties of urban housing regimes: Comparing housing provision and tenure shift in Athens, Belgrade, and Vienna, JOURNAL OF URBAN AFFAIRS, vol. , br. , str. - (Article; Early Access) 

Delic Dragica,Gataric Dragica,Ratkaj Ivan,Mandic Mira,Zolak-Poljasevic Branka,Sabljic Luka,Lukic Tin B (2025) Functional transformation of settlements in coal exploitation zones: A case study of the municipality of Stanari in Republic of Srpska (Bosnia and Herzegovina), OPEN GEOSCIENCES, vol. 17, br. 1, str. - (Article) 

Malic-Sibinovic Aleksandra,Sibinovic Mikica,Ratkaj Ivan,Gataric Dragica,Budovic Aljosa B,Jocic Nikola (2024) Functional typology of settlements in the Srem region, Serbia, OPEN GEOSCIENCES, vol. 16, br. 1, str. - (Article) 

Grcic Mirko D,Sibinovic Mikica,Ratkaj Ivan (2024) The Entropy as a Parameter of Demographic Dynamics: Case Study of the Population of Serbia, ACTA GEOGRAPHICA SLOVENICA-GEOGRAFSKI ZBORNIK, vol. 64, br. 1, str. 23-39 (Article) 

Ratkaj Ivan,Jocic Nikola,Budovic Aljosa B (2023) Residential segregation in a radically changing urban context: experiences from Belgrade, GEOGRAFISKA ANNALER SERIES B-HUMAN GEOGRAPHY, vol. , br. , str. - (Article; Early Access) 

Budovic Aljosa B,Ratkaj Ivan,Antic Marija (2020) Evolution of urban hotel geography - a case study of Belgrade, CURRENT ISSUES IN TOURISM, vol. 23, br. 6, str. 707-722 (Article) 

Martinovic Marija,Ratkaj Ivan (2015) Sustainable Rural Development in Serbia: Towards a Quantitative Typology of Rural Areas, CARPATHIAN JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCES, vol. 10, br. 3, str. 37-48 (Article) 

Gligorijevic Vera S,Devedzic Mirjana,Ratkaj Ivan (2014) Localization factors and development strategies for producer services: a case study of Belgrade, Serbia, ACTA GEOGRAPHICA SLOVENICA-GEOGRAFSKI ZBORNIK, vol. 54, br. 1, str. 132-140 (Article) 

Jovanovic Miomir M,Ratkaj Ivan (2014) Functional Metamorphosis of New Belgrade, DISP, vol. 50, br. 4, str. 54-65 (Article) 

Goeler Daniel,Martinovic Marija,Ratkaj Ivan,Santic Danica (2012) Informal housing as routine? Multiple urban transitions in the Belgrade metropolitan area (with Kaluderica as an example), MITTEILUNGEN DER OSTERREICHISCHEN GEOGRAPHISCHEN GESELLSCHAFT, vol. 154, br. , str. 212-234 (Article) 

Goeler Daniel,Grcic Mirko D,Ratkaj Ivan (2007) Recent development and spatial differentiation of industry in Serbia - a quantitative analysis, MITTEILUNGEN DER OSTERREICHISCHEN GEOGRAPHISCHEN GESELLSCHAFT, vol. 149, br. , str. 109-132 (Article)