http://e-repository.perpus.iainsalatiga.ac.id/13407
http://e-repository.perpus.iainsalatiga.ac.id/13901
http://e-repository.perpus.iainsalatiga.ac.id/14214
http://e-repository.perpus.iainsalatiga.ac.id/14213
http://e-repository.perpus.iainsalatiga.ac.id/14489
http://e-repository.perpus.iainsalatiga.ac.id/14598