1] Nikola Šušić GROWTH CHARACTERISTICS OF ONE-YEAR-OLD HUNGARIAN OAK SEEDLINGS (Quercus frainetto Ten.) IN FULL LIGHT CONDITIONS" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska, 10.09.2017.
(https://ekonferencije.com/sr1/rad/growth-characteristics-of-one-/5430)

2] Nikola Šušić A review of the stand structure of mature sessile oak stands in northeastern Serbia before planned regeneration" - Forest Science for Sustainable Development of Forests
25 Years of Forestry of the Republic of Srpska, 08.09.2017.
(https://ekonferencije.com/sr1/rad/a-review-of-the-stand-structur/5415)