http://e-repository.perpus.iainsalatiga.ac.id/12013
http://e-repository.perpus.iainsalatiga.ac.id/13907
http://e-repository.perpus.iainsalatiga.ac.id/14725
http://e-repository.perpus.iainsalatiga.ac.id/18511
http://e-repository.perpus.iainsalatiga.ac.id/18820
http://e-repository.perpus.iainsalatiga.ac.id/18988