http://e-repository.perpus.iainsalatiga.ac.id/19792
http://e-repository.perpus.iainsalatiga.ac.id/20063
http://e-repository.perpus.iainsalatiga.ac.id/19903
http://e-repository.perpus.iainsalatiga.ac.id/19010
http://e-repository.perpus.iainsalatiga.ac.id/19323
http://e-repository.perpus.iainsalatiga.ac.id/18841