http://e-repository.perpus.iainsalatiga.ac.id/9446
http://e-repository.perpus.iainsalatiga.ac.id/9689
http://e-repository.perpus.iainsalatiga.ac.id/9833
http://e-repository.perpus.iainsalatiga.ac.id/9345
http://e-repository.perpus.iainsalatiga.ac.id/9998
http://e-repository.perpus.iainsalatiga.ac.id/9532