http://e-repository.perpus.iainsalatiga.ac.id/9497
http://e-repository.perpus.iainsalatiga.ac.id/9664
http://e-repository.perpus.iainsalatiga.ac.id/9351
http://e-repository.perpus.iainsalatiga.ac.id/9324
http://e-repository.perpus.iainsalatiga.ac.id/9286
http://e-repository.perpus.iainsalatiga.ac.id/9072