TAGGE, Jürgen. Calculation of marginal costs for designing attractive prices for cleaning washable trousers. Tekstil, "Zagreb, Croatia", v. 50, n. 1, p. 43–45, 2001. Disponível em: https://tekstil.hist.hr/index.php/tekstil/article/view/2370. Acesso em: 25 apr. 2026.