ANALISIS KEDISIPLINAN GURU DI SDN 18 AIR TAWAR SELATAN MELALUI VALIDITAS PENGUJIAN INSTRUMEN SURVEI. JICN [Internet]. 2025 Dec. 13 [cited 2026 Oct. 18];2(6):11788-95. Available from: https://jicnusantara.com/index.php/jicn/article/view/5903