1. dr Saša Pekeč (2017) "Hydromorphic soils of the central Danube basin and possibilities for their afforestation" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr/rad/hydromorphic-soils-of-the-cent/5358)

2. dr Saša Pekeč (2017) "Diversity of ectomycorrhizal fungi as an indicator of forest resilience" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr/rad/diversity-of-ectomycorrhizal-f/5357)