SABTU, S. H.; HUSSAIN, N. A. S.; MATORE, M. E. E. M.; MAAT, S. M. PENILAIAN KUALITI PENGAJARAN GURU DENGAN PENDEKATAN SIX SIGMA (T²QI-6Σ) MELALUI PEMERKASAAN KESAHAN MUKA DAN REFLEKSI UNTUK TINDAKAN: EVALUATION OF TEACHER TEACHING QUALITY WITH SIX SIGMA APPROACH (T²QI-6Σ) THROUGH EMPOWERMENT OF FACE VALIDITY AND REFLECTION FOR ACTION. INTERNATIONAL JOURNAL OF MODERN EDUCATION (IJMOE), [S. l.], v. 8, n. 30, p. 741–757, 2026. DOI: 10.35631/IJMOE.830047. Disponível em: https://gaexcellence.com/ijmoe/article/view/7877. Acesso em: 2 jul. 2026.