Nugraha, L. “The Potrait of Indonesia’s Independence Struggle in Children Novel Published by Balai Pustaka in 1976--1996”. Gramatika: Jurnal Ilmiah Kebahasaan Dan Kesastraan, Vol. 3, no. 1, June 2015, p. 76-92, doi:10.31813/gramatika/3.1.2015.122.76--92.