http://e-repository.perpus.iainsalatiga.ac.id/12904
http://e-repository.perpus.iainsalatiga.ac.id/13149
http://e-repository.perpus.iainsalatiga.ac.id/13522
http://e-repository.perpus.iainsalatiga.ac.id/13900
http://e-repository.perpus.iainsalatiga.ac.id/14476
http://e-repository.perpus.iainsalatiga.ac.id/15185