http://e-repository.perpus.iainsalatiga.ac.id/10550
http://e-repository.perpus.iainsalatiga.ac.id/12050
http://e-repository.perpus.iainsalatiga.ac.id/11869
http://e-repository.perpus.iainsalatiga.ac.id/12202
http://e-repository.perpus.iainsalatiga.ac.id/11661
http://e-repository.perpus.iainsalatiga.ac.id/11842