http://e-repository.perpus.iainsalatiga.ac.id/14106
http://e-repository.perpus.iainsalatiga.ac.id/14252
http://e-repository.perpus.iainsalatiga.ac.id/14310
http://e-repository.perpus.iainsalatiga.ac.id/14735
http://e-repository.perpus.iainsalatiga.ac.id/14989