Aghnia Dianah Anwar, Tofan Dwi Hardjanto. High Frequency Words in The Reading Section of TOEFL PBT Exercises. Protasis [Internet]. 2023 Jun. 30 [cited 2026 Jun. 11];2(1):204-1. Available from: https://protasis.scientivapress.org/index.php/protasis/article/view/90