LINEAR AND SEPARATE CALIBRATION METHODS OF EQUATING 2018 AND 2019 ENGLISH LANGUAGE BASIC EDUCATION CERTIFICATE EXAMINATION SCORES. iijp [Internet]. 2026 Jan. 12 [cited 2026 Apr. 30];2(issue 1):14-21. Available from: https://impactinternationaljournals.com/publications/index.php/ojs/article/view/189