http://e-repository.perpus.iainsalatiga.ac.id/13432
http://e-repository.perpus.iainsalatiga.ac.id/13316
http://e-repository.perpus.iainsalatiga.ac.id/13276
http://e-repository.perpus.iainsalatiga.ac.id/13268
http://e-repository.perpus.iainsalatiga.ac.id/13979
http://e-repository.perpus.iainsalatiga.ac.id/13960