http://e-repository.perpus.iainsalatiga.ac.id/13920
http://e-repository.perpus.iainsalatiga.ac.id/11649
http://e-repository.perpus.iainsalatiga.ac.id/12088
http://e-repository.perpus.iainsalatiga.ac.id/11663
http://e-repository.perpus.iainsalatiga.ac.id/11705
http://e-repository.perpus.iainsalatiga.ac.id/11578