http://e-repository.perpus.iainsalatiga.ac.id/13244
http://e-repository.perpus.iainsalatiga.ac.id/12819
http://e-repository.perpus.iainsalatiga.ac.id/10766
http://e-repository.perpus.iainsalatiga.ac.id/10883
http://e-repository.perpus.iainsalatiga.ac.id/11153
http://e-repository.perpus.iainsalatiga.ac.id/11278