ADELIA, Kevlin; WINARNO, Sri Tjondro; TONDANG, Ika Sari. Analisis Pengendalian Kualitas Green Beans Kopi Menggunakan Metode Statistical Process Control (SPC) di Kopi Bontugu Trawas. Journal of Economics and Management Scienties, [S. l.], v. 8, n. 4, p. 1400–1405, 2026. DOI: 10.37034/jems.v8i4.512. Disponível em: https://jems.ink/index.php/JEMS/article/view/512. Acesso em: 5 aug. 2026.