http://e-repository.perpus.iainsalatiga.ac.id/19486
http://e-repository.perpus.iainsalatiga.ac.id/19082
http://e-repository.perpus.iainsalatiga.ac.id/18872
http://e-repository.perpus.iainsalatiga.ac.id/19568
http://e-repository.perpus.iainsalatiga.ac.id/19533
http://e-repository.perpus.iainsalatiga.ac.id/19467