Malinowska, Paulina, and Anna Zielińska-Chmielewska. 2011. “APPLIED PRICING STRATEGIES OF TOOTHPASTES’ PRODUCERS ON POLISH COSMETICS MARKET”. Acta Scientiarum Polonorum. Oeconomia 10 (3), 97-107. https://js.wne.sggw.pl/index.php/aspe/article/view/4025.