Spasić Stošić, Ana, et al. “The Implementation of Environmental Topics in the First Cycle of Primary Education from the Teachers’ Perspective”. International Journal of Cognitive Research in Science, Engineering and Education (IJCRSEE), vol. 12, no. 3, Dec. 2024, pp. 545-59, doi:10.23947/2334-8496-2024-12-3-545-559.