1. prof Milan Knežević (2017) "Phytosociological analysis of the mixed beech-fir forests of the Kozara Mt." - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr1/rad/phytosociological-analysis-of-/5529)

2. prof Milan Knežević (2017) "EDAPHIC-FLORISTIC CHARACTERISTICS OF BEECH AND ITALIAN MAPLE FOREST COMMUNITY (Aceri obtusati-Fagetum Fuk. et Stef. 1963) ON MANJAČA MT." - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr1/rad/edaphic-floristic-characterist/5466)

3. prof Milan Knežević (2017) "FOREST SITES MAPPING IN THE AREA OF “ISTOČNA BORANJA“ FOREST MANAGEMENT UNIT" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr1/rad/forest-sites-mapping-in-the-ar/5413)