Costello, Eamon, Richard Bolger, Tiziana Soverino, and Mark Brown. “Determining Textbook Cost, Formats, and Licensing With Google Books API: A Case Study from an Open Textbook Project”. Information Technology and Libraries 38, no. 1 (March 18, 2019): 91–99. Accessed March 28, 2024. https://ital.corejournals.org/index.php/ital/article/view/10738.