Nawangsari, A. D., and R. P. . Raharjo. “Physiological Needs of the Main Character in the Novel Hello Cello by Nadia Ristivani: A Study of Abraham Maslow’s Humanistic Psychology”. Jurnal Pembelajaran Bahasa Dan Sastra, vol. 5, no. 1, Jan. 2026, pp. 139-52, doi:10.55909/jpbs.v5i1.1118.