Ачасов, А. Б., and А. О. Ачасова. “On the Question of the Formation of Agricultural Geographic Information Systems”. Visnyk of V. N. Karazin Kharkiv National University series «Еcоlogy», no. 14 (September 8, 2016): 15-19. Accessed May 6, 2024. https://periodicals.karazin.ua/ecology/article/view/6334.