http://e-repository.perpus.iainsalatiga.ac.id/11873
http://e-repository.perpus.iainsalatiga.ac.id/11791
http://e-repository.perpus.iainsalatiga.ac.id/10228
http://e-repository.perpus.iainsalatiga.ac.id/10814
http://e-repository.perpus.iainsalatiga.ac.id/10821
http://e-repository.perpus.iainsalatiga.ac.id/10510