c.1 bta, c.2,3 olah
http://e-repository.perpus.iainsalatiga.ac.id/9635
http://e-repository.perpus.iainsalatiga.ac.id/9934
http://e-repository.perpus.iainsalatiga.ac.id/10142
http://e-repository.perpus.iainsalatiga.ac.id/10366
http://e-repository.perpus.iainsalatiga.ac.id/10993