http://e-repository.perpus.iainsalatiga.ac.id/18268
http://e-repository.perpus.iainsalatiga.ac.id/14699
http://e-repository.perpus.iainsalatiga.ac.id/18507
http://e-repository.perpus.iainsalatiga.ac.id/19310
http://e-repository.perpus.iainsalatiga.ac.id/19089
http://e-repository.perpus.iainsalatiga.ac.id/19034