?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Awal+Dias&rft.aulast=Amanto&rft.au=Amanto%2C+Awal+Dias&rft.inst=Program+Pascasarjana&rft.title=Efektivitas+model+problem+based+learning+dan+contextual+teaching+learning+pada+kompetensi+dasar+perbaikan+sistem+kopling+ditinjau+dari+soft+skill+siswa.&rft.degree=S2&rft.date=26+August+2019