STRETOVYCH С. Excipient influence on whiteness and opacity of writing paper. INTERNATIONAL SCIENTIFIC-PRACTICAL JOURNAL COMMODITIES AND MARKETS, [S. l.], v. 20, n. 2, p. 105–111, 2015. Disponível em: https://journals.knute.edu.ua/commodities-and-markets/article/view/1254. Acesso em: 27 jul. 2024.