http://e-repository.perpus.iainsalatiga.ac.id/10380
http://e-repository.perpus.iainsalatiga.ac.id/11956
http://e-repository.perpus.iainsalatiga.ac.id/11623
http://e-repository.perpus.iainsalatiga.ac.id/11665
http://e-repository.perpus.iainsalatiga.ac.id/10794
http://e-repository.perpus.iainsalatiga.ac.id/11359