Budianto, Budianto, Zefki Okta Feri, Qomarotun Nurlaila, Helena Sitorus, and Tina Hernawati Suryatman. 2023. “Quality System As a Mediating Variable of the Relationship Between Lean Manufacturing and Operational Performance in the Food Industry”. SINERGI 27 (2). Jakarta, Indonesia:201-10. https://doi.org/10.22441/sinergi.2023.2.008.