http://e-repository.perpus.iainsalatiga.ac.id/18846
http://e-repository.perpus.iainsalatiga.ac.id/19177
http://e-repository.perpus.iainsalatiga.ac.id/19108
http://e-repository.perpus.iainsalatiga.ac.id/18053
http://e-repository.perpus.iainsalatiga.ac.id/19039
http://e-repository.perpus.iainsalatiga.ac.id/19153