http://e-repository.perpus.iainsalatiga.ac.id/10192
http://e-repository.perpus.iainsalatiga.ac.id/10755
http://e-repository.perpus.iainsalatiga.ac.id/11315
http://e-repository.perpus.iainsalatiga.ac.id/11368
http://e-repository.perpus.iainsalatiga.ac.id/10916
http://e-repository.perpus.iainsalatiga.ac.id/13308