Silalahi, R. J. N., R. Ersan, C. Ardauli, and E. Ambarita. “Inflectional Affixes in j.K. Rowling’s Novel Harry Potter and the Chamber of Secrets”. Indonesian Journal Education, vol. 5, no. 1, Jan. 2026, pp. 53-57, doi:10.56495/ije.v5i1.1497.