Novita Nurrry Chrisyani, Cakti Indra Gunawan, Yuni Setyawati. An Analysis of Product Quality Control using The Six Sigma Method at Omah Produksi Tempe Rizky Jaya, Batu City . IJMB [Internet]. 2026 Jan. 11 [cited 2026 May 12];3(1):227-30. Available from: https://irdhjournals.com/ijmb/article/view/816