http://e-repository.perpus.iainsalatiga.ac.id/8416
http://e-repository.perpus.iainsalatiga.ac.id/8463
http://e-repository.perpus.iainsalatiga.ac.id/9278
http://e-repository.perpus.iainsalatiga.ac.id/9393
http://e-repository.perpus.iainsalatiga.ac.id/9414
http://e-repository.perpus.iainsalatiga.ac.id/9301