http://e-repository.perpus.iainsalatiga.ac.id/16424
http://e-repository.perpus.iainsalatiga.ac.id/16055
http://e-repository.perpus.iainsalatiga.ac.id/15998
http://e-repository.perpus.iainsalatiga.ac.id/17291
http://e-repository.perpus.iainsalatiga.ac.id/17410
http://e-repository.perpus.iainsalatiga.ac.id/17528