http://e-repository.perpus.iainsalatiga.ac.id/16066
http://e-repository.perpus.iainsalatiga.ac.id/15656
http://e-repository.perpus.iainsalatiga.ac.id/11607
http://e-repository.perpus.iainsalatiga.ac.id/17421
http://e-repository.perpus.iainsalatiga.ac.id/17486
http://e-repository.perpus.iainsalatiga.ac.id/17573