Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Education reform:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

Lancaster promoted his system in a piece called Improvements in Education that spread widely throughout the English-speaking world. Lancaster schools provided a grammar-school education with fully developed internal economies for a cost per student near $40 per year in 2010 U.S. dollars. [5] To reduce cost and motivated to save up scrip, Lancaster students rented individual pages of textbooks from the school library instead of purchasing the textbook. Student's would read aloud their pages to groups. Students commonly exchanged tutoring and paid for items and services with receipts from down tutoring.[citation needed]