http://e-repository.perpus.iainsalatiga.ac.id/12152
http://e-repository.perpus.iainsalatiga.ac.id/12280
http://e-repository.perpus.iainsalatiga.ac.id/12323
http://e-repository.perpus.iainsalatiga.ac.id/12340
http://e-repository.perpus.iainsalatiga.ac.id/11583
http://e-repository.perpus.iainsalatiga.ac.id/12811