http://e-repository.perpus.iainsalatiga.ac.id/14192
http://e-repository.perpus.iainsalatiga.ac.id/11527
http://e-repository.perpus.iainsalatiga.ac.id/11424
http://e-repository.perpus.iainsalatiga.ac.id/9366
http://e-repository.perpus.iainsalatiga.ac.id/9572
http://e-repository.perpus.iainsalatiga.ac.id/8401