?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Gayatri%2C+Bertha+Resivia+Intan&rft.aufirst=Bertha+Resivia+Intan&rft.aulast=Gayatri&rft.title=Developing+English+Writing+Materials+for+X+Grade+based+on+Learner%E2%80%99s+Learning+Styles+(VAK).&rft.degree=S2&rft.date=17+September+2019&rft.inst=Program+Pascasarjana