Salmiati, S., S. Amri, and S. Syafrizal. “Challenges in Developing High-Order Thinking Skills (HOTS): A Study of EFL Students’ Thesis Statement in Writing Essay”. EJI (English Journal of Indragiri) : Studies in Education, Literature, and Linguistics, vol. 8, no. 1, Jan. 2024, pp. 162-7, doi:10.61672/eji.v8i1.2686.