1.
Zega I, Ahmad Laut Hasibuan, Asnawi. Developing English Pronouncation Teaching Materials for Second Grade Students Though Tongue Twister. IJEREC [Internet]. 2026 Jul. 26 [cited 2026 Oct. 17];6(1):634-47. Available from: https://ejournal.ipinternasional.com/index.php/ijere/article/view/1994