http://e-repository.perpus.iainsalatiga.ac.id/18835
http://e-repository.perpus.iainsalatiga.ac.id/19295
http://e-repository.perpus.iainsalatiga.ac.id/19238
http://e-repository.perpus.iainsalatiga.ac.id/19463
http://e-repository.perpus.iainsalatiga.ac.id/18578
http://e-repository.perpus.iainsalatiga.ac.id/18354