http://e-repository.perpus.iainsalatiga.ac.id/17288
http://e-repository.perpus.iainsalatiga.ac.id/17602
http://e-repository.perpus.iainsalatiga.ac.id/17278
http://e-repository.perpus.iainsalatiga.ac.id/16854
http://e-repository.perpus.iainsalatiga.ac.id/17112
http://e-repository.perpus.iainsalatiga.ac.id/17776