KRYVOKON, A. TRACTOR BUILDING IN UKRAINE: BACKGROUND, HISTORY AND DEVELOPMENT TRENDS IN THE ASPECT OF WORLD PROGRESS (1920s‒1980s). Kharkiv: TECHNOLOGY CENTER PC, 2015. DOI: 10.15587/978-966-97466-9-6. Disponível em: https://doi.uran.ua/index.php/pctc/catalog/book/978-966-97466-9-6. Acesso em: 21 apr. 2025.