In 2011, CCCS pioneered the development and use of online course materials, referred to as Open Education Resources (OER), which has allowed their institutions to offer students free virtual textbooks for thousands of courses, referred to as zero textbook cost (ZTC) courses. The results of this groundbreaking work have been tremendous to students and to higher education providers across the nation.
https://www.gjsentinel.com/news/colorado/cccs-revolutionizing-college-textbooks-tackling-costs/article_9b152c95-44f7-5393-af45-655e56853107.html
