http://e-repository.perpus.iainsalatiga.ac.id/11451
http://e-repository.perpus.iainsalatiga.ac.id/17379
http://e-repository.perpus.iainsalatiga.ac.id/17425
http://e-repository.perpus.iainsalatiga.ac.id/17613
http://e-repository.perpus.iainsalatiga.ac.id/17666
http://e-repository.perpus.iainsalatiga.ac.id/17205