AZIZAN, Mohd Fikri; MOHD MATORE, Mohd Effendi @Ewan; MAAT, Siti Mistima. 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. Sains Insani, [S. l.], v. 10, n. 2, p. 83–98, 2025. DOI: 10.33102/sainsinsani.vol10no2.822. Disponível em: https://sainsinsani.usim.edu.my/index.php/sainsinsani/article/view/822. Acesso em: 4 dec. 2025.