Todorova, Tsvetomira R., and Gradimir V. Gruychev. “Distribution and Density of Common Woodpigeon (Columba Palumbus) in Central Northern Bulgaria”. Global Journal of Agricultural Innovation, Research & Development 11 (September 25, 2024): 12–19. Accessed February 19, 2025. https://avantipublishers.com/index.php/gjaird/article/view/1541.