PETRENKO, Volodymyr; MARTSENIUK, Nadiia. Methods of grain purchases in 1928 in Ukraine in contextof repressive Bolshevik policy. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, [S. l.], n. 24, p. 76–82, 2016. DOI: 10.31652/2411-2143-2016-24-76-82. Disponível em: https://www.nzhist.science/index.php/nzhist/article/view/995. Acesso em: 16 apr. 2026.