Mujiono, Mujiono. “Verbal Linguistics Intelligence and Self-Directed Learning in EFL Writing Problem Solving: A Study of Grit’s Mediating Influence”. Indonesian Journal of EFL and Linguistics 8, no. 2 (November 1, 2023): 247-262. Accessed July 29, 2026. https://www.indonesian-efl-journal.org/index.php/ijefll/article/view/703.