http://e-repository.perpus.iainsalatiga.ac.id/17676
http://e-repository.perpus.iainsalatiga.ac.id/17706
http://e-repository.perpus.iainsalatiga.ac.id/17604
http://e-repository.perpus.iainsalatiga.ac.id/17341
http://e-repository.perpus.uinsalatiga.ac.id/17927/
C.1 olah