Katon F, Kaltum U. KASUS PERBAIKAN LIFT BERBASIS SIX SIGMA PADA APARTEMEN SKYLAND CITY JATINANGOR. mea [Internet]. 20Nov.2024 [cited 22Aug.2025];8(3):1948-64. Available from: https://www.journal.stiemb.ac.id/index.php/mea/article/view/4691