http://e-repository.perpus.iainsalatiga.ac.id/12340
http://e-repository.perpus.iainsalatiga.ac.id/11583
http://e-repository.perpus.iainsalatiga.ac.id/11599
http://e-repository.perpus.iainsalatiga.ac.id/12818
http://e-repository.perpus.iainsalatiga.ac.id/12907
http://e-repository.perpus.iainsalatiga.ac.id/12495