http://e-repository.perpus.iainsalatiga.ac.id/14608
http://e-repository.perpus.iainsalatiga.ac.id/15998
http://e-repository.perpus.iainsalatiga.ac.id/13301
http://e-repository.perpus.iainsalatiga.ac.id/18082
http://e-repository.perpus.iainsalatiga.ac.id/18861
http://e-repository.perpus.iainsalatiga.ac.id/18144