http://e-repository.perpus.iainsalatiga.ac.id/19134
http://e-repository.perpus.iainsalatiga.ac.id/19016
http://e-repository.perpus.iainsalatiga.ac.id/18246
http://e-repository.perpus.iainsalatiga.ac.id/18231
http://e-repository.perpus.iainsalatiga.ac.id/18223
http://e-repository.perpus.iainsalatiga.ac.id/18783