Lasiana N, Hidayatulloh H. Implementation of Total Quality Management (TQM) and Six Sigma in the Learning Process in Vocational High Schools: Implementasi Total Quality Manajemen (TQM) dan Six Sigma dalam Proses Pembelajaran di Sekolah Menengah Kejuruan. ijemd [Internet]. 2022Aug.31 [cited 2024Nov.23];17(3):10.21070/ijemd.v19i.652. Available from: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/652