Sabtu, Siti Hannah, Nor Azarif Sofia Hussain, Mohd Effendi Ewan Mohd Matore, and Siti Mistima Maat. 2026. “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) 8 (30):741-57. https://doi.org/10.35631/IJMOE.830047.