Hairiyah N. PENERAPAN SIX SIGMA DAN KAIZEN UNTUK MEMPERBAIKI KUALITAS ROTI DI UD. CJ BAKERY[Application of six sigma and kaizen to improve the bread quality In UD. CJ Bakery]. JTIHP [Internet]. 2020Apr.1 [cited 2025Dec.8];25(1):35-43. Available from: http://jurnal.fp.unila.ac.id/index.php/JTHP/article/view/3421