1. dr Leopold Poljaković-Pajnik (2017) "Potentials of application of unmanned aerial vehicle (UAV) for assessment of tree heights in poplar plantation" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr1/rad/potentials-of-application-of-u/5499)

2. dr Leopold Poljaković-Pajnik (2017) "Notes on distribution and physiological impact of Corythuchaarcuata (Say) (Hemiptera, Tingidae)) on oaks in Vojvodina, Serbia" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska
(https://ekonferencije.com/sr1/rad/notes-on-distribution-and-phys/5492)