Sumaliyo, Sumaliyo, Riska Alfiawati, and Imam Subari. 2019. “The Correlation of Vocabulary Mastery and Effective Sentences With Exposition Writing Ability in Middle School Students”. IJLHE: International Journal of Language, Humanities, and Education 2 (1):55-62. https://jurnal.stkippgribl.ac.id/index.php/ijlhe/article/view/834.