Yunus, B. Siregar, S. A. Daely, Z. H. A. Putri, and F. Hamid, “BÎ’AH LUGHAWIYYAH AS A HIDDEN CURRICULUM AND ITS INFLUENCE ON STUDENTS’ SPEAKING SKILLS IN PESANTREN AR-RAUDLATUL HASANAH”, MICJO, vol. 3, no. 1, pp. 802–815, Jan. 2026.