http://e-repository.perpus.iainsalatiga.ac.id/10204
http://e-repository.perpus.iainsalatiga.ac.id/10672
http://e-repository.perpus.iainsalatiga.ac.id/10650
http://e-repository.perpus.iainsalatiga.ac.id/10583
http://e-repository.perpus.iainsalatiga.ac.id/10562