http://e-repository.perpus.iainsalatiga.ac.id/13221
http://e-repository.perpus.iainsalatiga.ac.id/13308
http://e-repository.perpus.iainsalatiga.ac.id/13402
http://e-repository.perpus.iainsalatiga.ac.id/13061
http://e-repository.perpus.iainsalatiga.ac.id/13523
http://e-repository.perpus.iainsalatiga.ac.id/13318