Papers by Alexander Jung ecb.europa.eu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ecb.europa.eu Daily Mail and Mail on Sunday newspapers.
Leer en Español Zero Textbook Cost Classes What is ZTC? ZTC (Zero-Textbook-Cost) classes have no textbook-related costs, including access fees for online materials. Such classes often use Open Educational Resources (OER) created under a Creative Commons (a public copyright license) that give people the ability to share, use, and build upon a work that has been created. They