http://e-repository.perpus.iainsalatiga.ac.id/13295
ttp://e-repository.perpus.iainsalatiga.ac.id/14081
http://e-repository.perpus.iainsalatiga.ac.id/14170
http://e-repository.perpus.iainsalatiga.ac.id/14181
http://e-repository.perpus.iainsalatiga.ac.id/16116