http://e-repository.perpus.iainsalatiga.ac.id/13809
http://e-repository.perpus.iainsalatiga.ac.id/14023
http://e-repository.perpus.iainsalatiga.ac.id/14687
http://e-repository.perpus.iainsalatiga.ac.id/15167
http://e-repository.perpus.iainsalatiga.ac.id/14962