Najamuddin, M. N.; Ramlawati, R.; Nursiany, N. Unraveling Contradictions in Quality Management Implementation: An Empirical Study of TQM and ISO Certification in SMEs: JEL Classification: L15, L25, L60, M11, M21, O14, O33, O53, C38. JLB 2025, 6, 418-436.