http://e-repository.perpus.iainsalatiga.ac.id/17911
http://e-repository.perpus.iainsalatiga.ac.id/17348
http://e-repository.perpus.iainsalatiga.ac.id/17941
http://e-repository.perpus.iainsalatiga.ac.id/18216
http://e-repository.perpus.iainsalatiga.ac.id/18318
http://e-repository.perpus.iainsalatiga.ac.id/18385