nurjanah, siti et al. 2026. Proficiency Testing Requirements for the Implementation of ISO/IEC 17025 Quality Management Systems in Food Testing Laboratories. Jurnal Manajemen (Edisi Elektronik). 17, 3 (Oct. 2026), 671–684. DOI:https://doi.org/10.32832/jm-uika.v17i3.23812.