http://e-repository.perpus.iainsalatiga.ac.id/10452
http://e-repository.perpus.iainsalatiga.ac.id/10476
http://e-repository.perpus.iainsalatiga.ac.id/10485
http://e-repository.perpus.iainsalatiga.ac.id/8102
http://e-repository.perpus.iainsalatiga.ac.id/10675
http://e-repository.perpus.iainsalatiga.ac.id/10510