http://e-repository.perpus.iainsalatiga.ac.id/15281
http://e-repository.perpus.iainsalatiga.ac.id/15248
http://e-repository.perpus.iainsalatiga.ac.id/15998
http://e-repository.perpus.iainsalatiga.ac.id/17410
http://e-repository.perpus.iainsalatiga.ac.id/17112
http://e-repository.perpus.iainsalatiga.ac.id/17278