http://e-repository.perpus.iainsalatiga.ac.id/16110
http://e-repository.perpus.iainsalatiga.ac.id/17278
http://e-repository.perpus.iainsalatiga.ac.id/17112
http://e-repository.perpus.iainsalatiga.ac.id/17783
http://e-repository.perpus.iainsalatiga.ac.id/17138
http://e-repository.perpus.iainsalatiga.ac.id/17849