http://e-repository.perpus.iainsalatiga.ac.id/13660
http://e-repository.perpus.iainsalatiga.ac.id/13551
http://e-repository.perpus.iainsalatiga.ac.id/13522
http://e-repository.perpus.iainsalatiga.ac.id/13318
http://e-repository.perpus.iainsalatiga.ac.id/12788
http://e-repository.perpus.iainsalatiga.ac.id/12627