http://e-repository.perpus.iainsalatiga.ac.id/12131
http://e-repository.perpus.iainsalatiga.ac.id/12089
http://e-repository.perpus.iainsalatiga.ac.id/13427
http://e-repository.perpus.iainsalatiga.ac.id/13365
http://e-repository.perpus.iainsalatiga.ac.id/13304
http://e-repository.perpus.iainsalatiga.ac.id/13205