Sain, Leliana Lestari, and Risma Kartika Dewi. “ IKAL’S STRUGGLE OF LIFE IN ANDREA HIRATA’S RAINBOW TROOPS: Struggle of Life”. AESTHETICS : Jurnal Fakultas Sastra Universitas Gresik, vol. 11, no. 2, Aug. 2022, pp. 5-10, http://journal.unigres.ac.id/index.php/AESTHETICS/article/view/1800.