1. Goran Todorović (2013) "The Influence of Various Types of Cytoplasm on Grain Yield of Maize Inbreds" - II međunarodni simpozijum i 18-to naučno-stručno savjetovanje agronoma Republike Srpske
(https://ekonferencije.com/sr/rad/the-influence-of-various-types/1894)

2. Goran Todorović (2013) "Inbred lines as donors of favourable alleles for the improvement of the number of kernels per row of the F1 maize hybrid" - II međunarodni simpozijum i 18-to naučno-stručno savjetovanje agronoma Republike Srpske
(https://ekonferencije.com/sr/rad/inbred-lines-as-donors-of-favo/1893)

3. Goran Todorović (2013) "The influence of age and ways to keep the seed germination Nigel sativa L." - II međunarodni simpozijum i 18-to naučno-stručno savjetovanje agronoma Republike Srpske
(https://ekonferencije.com/sr/rad/the-influence-of-age-and-ways-/1888)