http://e-repository.perpus.iainsalatiga.ac.id/15655
http://e-repository.perpus.iainsalatiga.ac.id/19994
http://e-repository.perpus.iainsalatiga.ac.id/19003
http://e-repository.perpus.iainsalatiga.ac.id/18647
http://e-repository.perpus.iainsalatiga.ac.id/18493
http://e-repository.perpus.iainsalatiga.ac.id/17746