Ningtias, Whana Sri Ayu, Maemuna Muhayyang, and Haryanto Haryanto. 2026. “YouTube-Based Pronunciation Instruction Throught Pronunciation With Emma: Enhancing Students’ Mastery of English Diphthong Sounds”. PESHUM : Jurnal Pendidikan, Sosial Dan Humaniora 5 (5):13757-69. https://doi.org/10.56799/peshum.v5i5.18577.