http://e-repository.perpus.iainsalatiga.ac.id/17484
http://e-repository.perpus.iainsalatiga.ac.id/17571
http://e-repository.perpus.iainsalatiga.ac.id/17585
http://e-repository.perpus.iainsalatiga.ac.id/17433
http://e-repository.perpus.iainsalatiga.ac.id/16424
http://e-repository.perpus.iainsalatiga.ac.id/16148