Anderson, Salena Sampson. “Differences Across Levels in the Language of Agency and Ability in Rating Scales for Large-Scale Second Language Writing Assessments”. Studia Anglica Posnaniensia 52, no. 2 (December 1, 2017): 147–172. Accessed December 22, 2024. https://pressto.amu.edu.pl/index.php/stap/article/view/stap-2017-0006.