Suwastini, N. K. A., N. K. W. Pebriyanti, N. L. G. E. Wahyuni, and I. G. A. A. D. Susanthi. “The Characterization of Felix Salinger As the Main Character in Morris Gleitzman’s Once”. International Journal of Language and Literature, vol. 6, no. 4, July 2023, pp. 177-91, doi:10.23887/ijll.v6i4.34938.