http://e-repository.perpus.iainsalatiga.ac.id/17187
http://e-repository.perpus.iainsalatiga.ac.id/17707
http://e-repository.perpus.iainsalatiga.ac.id/17526
http://e-repository.perpus.iainsalatiga.ac.id/17498
http://e-repository.perpus.iainsalatiga.ac.id/16313
http://e-repository.perpus.iainsalatiga.ac.id/13856