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. 2026;5(3):5734-5740. doi:10.61445/9enr3q87