http://e-repository.perpus.iainsalatiga.ac.id/16160
http://e-repository.perpus.iainsalatiga.ac.id/16155
http://e-repository.perpus.iainsalatiga.ac.id/15979
http://e-repository.perpus.iainsalatiga.ac.id/17544
http://e-repository.perpus.iainsalatiga.ac.id/17216
http://e-repository.perpus.iainsalatiga.ac.id/17577