http://e-repository.perpus.iainsalatiga.ac.id/19095
http://e-repository.perpus.iainsalatiga.ac.id/19097
http://e-repository.perpus.iainsalatiga.ac.id/19238
http://e-repository.perpus.iainsalatiga.ac.id/19463
http://e-repository.perpus.iainsalatiga.ac.id/18841
http://e-repository.perpus.iainsalatiga.ac.id/18578