http://e-repository.perpus.iainsalatiga.ac.id/18674
http://e-repository.perpus.iainsalatiga.ac.id/18461
http://e-repository.perpus.iainsalatiga.ac.id/18572
http://e-repository.perpus.iainsalatiga.ac.id/18762
http://e-repository.perpus.iainsalatiga.ac.id/19268
http://e-repository.perpus.iainsalatiga.ac.id/19177