http://e-repository.perpus.iainsalatiga.ac.id/9667
http://e-repository.perpus.iainsalatiga.ac.id/9805
http://e-repository.perpus.iainsalatiga.ac.id/11530
http://e-repository.perpus.iainsalatiga.ac.id/10710
http://e-repository.perpus.iainsalatiga.ac.id/11269
http://e-repository.perpus.iainsalatiga.ac.id/10611