http://e-repository.perpus.iainsalatiga.ac.id/19292
http://e-repository.perpus.iainsalatiga.ac.id/19251
http://e-repository.perpus.iainsalatiga.ac.id/19195
http://e-repository.perpus.iainsalatiga.ac.id/18467
http://e-repository.perpus.iainsalatiga.ac.id/19145
http://e-repository.perpus.iainsalatiga.ac.id/19043