Effendi, Muhammad Yusuf, Muh Arafik, and Titis Angga Rini. “Analysis of Readability of Non-Literary Texts in Thematic Books for Students of Class VI SD/MI Semester 1 Revised 2018 Based on SMOG Criteria”. Journal of Education for Sustainability and Diversity 2, no. 2 (November 2, 2023): 285–294. Accessed October 28, 2026. https://educationcenter.id/journal/index.php/jesd/article/view/95.