http://e-repository.perpus.iainsalatiga.ac.id/18508
http://e-repository.perpus.iainsalatiga.ac.id/18422
http://e-repository.perpus.iainsalatiga.ac.id/18808
http://e-repository.perpus.iainsalatiga.ac.id/18507
http://e-repository.perpus.iainsalatiga.ac.id/18828
http://e-repository.perpus.iainsalatiga.ac.id/19145