JIHADI, Ghany Radifan; PANGEMANAN, Caroline Veda. Implementing Process Capability Index (Cpk) for Effective Improvement Stability the Case of a Pressing Shop of an Automobile Company. RA Journal of Applied Research, [S. l.], v. 12, n. 02, p. 120–125, 2026. DOI: 10.47191/rajar/v12i2.03. Disponível em: https://www.rajournals.in/index.php/rajar/article/view/1914. Acesso em: 25 oct. 2026.