http://e-repository.perpus.iainsalatiga.ac.id/7793/
http://e-repository.perpus.iainsalatiga.ac.id/7906
http://e-repository.perpus.iainsalatiga.ac.id/9318
http://e-repository.perpus.iainsalatiga.ac.id/9603
http://e-repository.perpus.iainsalatiga.ac.id/10389
http://e-repository.perpus.iainsalatiga.ac.id/10377
http://e-repository.perpus.iainsalatiga.ac.id/11153
http://e-repository.perpus.iainsalatiga.ac.id/11510