GRZELAK, Małgorzata. Forecasting production volume in a plastics enterprise. Współczesna Gospodarka, [S. l.], v. 10, n. 1 (32), p. 69–78, 2019. DOI: 10.26881/wg.2019.1.07. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/wg/article/view/2964. Acesso em: 25 kwi. 2024.