Supit D. TO IMPROVE WRITING SKILLS THE USE OF “STRUKTURAL ANALITIK SINTETIK” (SAS) METHODS GRADE ONE ELEMENTARY SCHOOL ADVENT AIRMADIDI. isc [Internet]. 2016Oct.25 [cited 2024Nov.22];4(1):70. Available from: https://jurnal.unai.edu/index.php/isc/article/view/1968