http://e-repository.perpus.iainsalatiga.ac.id/10211
http://e-repository.perpus.iainsalatiga.ac.id/10445
http://e-repository.perpus.iainsalatiga.ac.id/10412
http://e-repository.perpus.iainsalatiga.ac.id/10922
http://e-repository.perpus.iainsalatiga.ac.id/12145
http://e-repository.perpus.iainsalatiga.ac.id/10164