Azizan MF, Mohd Matore ME @Ewan, Maat SM. Instrumen Pengukuran Kualiti Pengajaran Guru Berasaskan Six Sigma: Penentuan Kesahan Kandungan melalui Analisis Fuzzy Delphi : Teacher Teaching Quality Measurement Instrument Based on Six Sigma: Establishing Content Validity through Fuzzy Delphi Analysis. JSI [Internet]. 2025 Nov. 30 [cited 2025 Dec. 4];10(2):83-98. Available from: https://sainsinsani.usim.edu.my/index.php/sainsinsani/article/view/822