http://e-repository.perpus.iainsalatiga.ac.id/14502
http://e-repository.perpus.iainsalatiga.ac.id/11320
http://e-repository.perpus.iainsalatiga.ac.id/11094
http://e-repository.perpus.iainsalatiga.ac.id/11172
http://e-repository.perpus.iainsalatiga.ac.id/10985
http://e-repository.perpus.iainsalatiga.ac.id/10632