STATISTICAL VALIDATION OF AN ENGLISH FOR SPECIFIC PURPOSES ACHIEVEMENT TEST USING CLASSICAL TEST THEORY: A CASE STUDY OF A HIGHER EDUCATION INSTITUTION. PSTP [Prieiga per internetą]. 2026 m.birželio2 d. [žiūrėta 2026 m.lapkričio9 d.];30(1):4–12. Adresas: https://ojs.svako.lt/PSTP/article/view/436