http://e-repository.perpus.iainsalatiga.ac.id/18840
http://e-repository.perpus.iainsalatiga.ac.id/18720
http://e-repository.perpus.iainsalatiga.ac.id/18139
http://e-repository.perpus.iainsalatiga.ac.id/19359
http://e-repository.perpus.iainsalatiga.ac.id/19459
http://e-repository.perpus.iainsalatiga.ac.id/19446