Dra. Aryuliva Adnan, M.Pd., Carbiriena Solusia, M.Pd, Dinovia Fannil Kher, M.Pd., et al. English For Everyone. UNP PRESS; 2019. Accessed September 24, 2026. https://unppress.unp.ac.id/index.php/unp-press/catalog/book/39