Kont, Kate-Riin, and Signe Jantson. “Activity-Based Costing (ABC) and Time-Driven Activity-Based Costing (TDABC): Applicable Methods for University Libraries?”. Evidence Based Library and Information Practice 6, no. 4 (December 15, 2011): 107–119. Accessed April 20, 2024. https://journals.library.ualberta.ca/eblip/index.php/EBLIP/article/view/10156.