http://e-repository.perpus.iainsalatiga.ac.id/18057
http://e-repository.perpus.iainsalatiga.ac.id/18411
http://e-repository.perpus.iainsalatiga.ac.id/18224
http://e-repository.perpus.iainsalatiga.ac.id/18569
http://e-repository.perpus.iainsalatiga.ac.id/18149
http://e-repository.perpus.iainsalatiga.ac.id/18516