http://e-repository.perpus.iainsalatiga.ac.id/18468
http://e-repository.perpus.iainsalatiga.ac.id/18908
http://e-repository.perpus.iainsalatiga.ac.id/18144
http://e-repository.perpus.iainsalatiga.ac.id/19030
http://e-repository.perpus.iainsalatiga.ac.id/18410
http://e-repository.perpus.iainsalatiga.ac.id/18570