http://e-repository.perpus.iainsalatiga.ac.id/12073
http://e-repository.perpus.iainsalatiga.ac.id/12312
http://e-repository.perpus.iainsalatiga.ac.id/12184
http://e-repository.perpus.iainsalatiga.ac.id/12214
http://e-repository.perpus.iainsalatiga.ac.id/12210
http://e-repository.perpus.iainsalatiga.ac.id/13365