Josua Lumbantobing. THE EFFECT OF USING PICTURE SERIES TO IMPROVE STUDENTS’ WRITING SKILL IN DESCRIPTIVE TEXT AT EIGHTH GRADE STUDENTS OF SMP SWASTA HKBP BATU 4 SIANTAR. JIIC. 2025;2(6):12275-12285. Accessed October 5, 2026. https://jicnusantara.com/index.php/jiic/article/view/3890