Ercikan K. EXAMINING GUIDELINES FOR DEVELOPING ACCURATE PROFICIENCY LEVEL SCORES. CJE/RCÉ [Internet]. 2006 Sep. 2 [cited 2026 May 4];29(3):823‐838. Available from: https://cje.journals.publicknowledgeproject.org/cje/index.php/cje-rce/article/view/2922