http://e-repository.perpus.iainsalatiga.ac.id/13235
http://e-repository.perpus.iainsalatiga.ac.id/13407
http://e-repository.perpus.iainsalatiga.ac.id/13305
http://e-repository.perpus.iainsalatiga.ac.id/13267
http://e-repository.perpus.iainsalatiga.ac.id/12539
http://e-repository.perpus.iainsalatiga.ac.id/12910