http://e-repository.perpus.iainsalatiga.ac.id/13288
http://e-repository.perpus.iainsalatiga.ac.id/13018
http://e-repository.perpus.iainsalatiga.ac.id/14233
http://e-repository.perpus.iainsalatiga.ac.id/13880
http://e-repository.perpus.iainsalatiga.ac.id/13798
http://e-repository.perpus.iainsalatiga.ac.id/13629