http://e-repository.perpus.iainsalatiga.ac.id/9463
http://e-repository.perpus.iainsalatiga.ac.id/10797
http://e-repository.perpus.iainsalatiga.ac.id/11337
http://e-repository.perpus.iainsalatiga.ac.id/11644
http://e-repository.perpus.iainsalatiga.ac.id/11636