http://e-repository.perpus.iainsalatiga.ac.id/19486
http://e-repository.perpus.iainsalatiga.ac.id/17931
http://e-repository.perpus.iainsalatiga.ac.id/19999
http://e-repository.perpus.iainsalatiga.ac.id/19863
http://e-repository.perpus.iainsalatiga.ac.id/19036
http://e-repository.perpus.iainsalatiga.ac.id/19533