http://e-repository.perpus.iainsalatiga.ac.id/7988/
http://e-repository.perpus.iainsalatiga.ac.id/7900
http://e-repository.perpus.iainsalatiga.ac.id/8251
http://e-repository.perpus.iainsalatiga.ac.id/8444
http://e-repository.perpus.iainsalatiga.ac.id/8367
http://e-repository.perpus.iainsalatiga.ac.id/8414
http://e-repository.perpus.iainsalatiga.ac.id/8519