http://e-repository.perpus.iainsalatiga.ac.id/7803/
http://e-repository.perpus.iainsalatiga.ac.id/9318
http://e-repository.perpus.iainsalatiga.ac.id/10389
http://e-repository.perpus.iainsalatiga.ac.id/10356
http://e-repository.perpus.iainsalatiga.ac.id/10377
http://e-repository.perpus.iainsalatiga.ac.id/11153
http://e-repository.perpus.iainsalatiga.ac.id/11510
http://e-repository.perpus.iainsalatiga.ac.id/11586