Students’ Negotiation Text Writing Skills in Phase E at SMK Negeri 6 Padang through the Problem-Based Learning Model: KEMAMPUAN MENULIS TEKS NEGOSIASI SISWA FASE E SMK NEGERI 6 PADANG MELALUI MODEL PROBLEM BASED LEARNING. TOFEDU [Internet]. 2026 Oct. 26 [cited 2026 Nov. 2];5(3):5734-40. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/2371