Sabtu SH, Hussain NAS, Matore MEEM, Maat SM. 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. IJMOE [Internet]. 2026 Jun. 29 [cited 2026 Jul. 2];8(30):741-57. Available from: https://gaexcellence.com/ijmoe/article/view/7877