c1,c2 di kampus 2
http://e-repository.perpus.uinsalatiga.ac.id/17948/
http://e-repository.perpus.iainsalatiga.ac.id/17230
http://e-repository.perpus.iainsalatiga.ac.id/17626
http://e-repository.perpus.iainsalatiga.ac.id/17292
http://e-repository.perpus.iainsalatiga.ac.id/13603