http://e-repository.perpus.iainsalatiga.ac.id/12819
di k2
http://e-repository.perpus.iainsalatiga.ac.id/13244
http://e-repository.perpus.iainsalatiga.ac.id/13222
http://e-repository.perpus.iainsalatiga.ac.id/13690
http://e-repository.perpus.iainsalatiga.ac.id/13918