APPLICATION OF THE WINDOW SHOPPING LEARNING MODEL ON PAWARTA MATERIAL TO IMPROVE THE WRITING SKILLS OF CLASS VIII STUDENTS AT SMPN 22 PURWOREJO. jibsp [Internet]. 2026 May 28 [cited 2026 Sep. 2];5(1):20-4. Available from: https://jurnal.umpwr.ac.id/index.php/jibsp/article/view/7093