SYAFIQRI ALFARIZKI; GATOT YUDOKO. IMPROVING SALES FORECAST ACCURACY USING LEAN SIX SIGMA: A CASE STUDY IN THE FMCG INDUSTRY. Multidiciplinary Output Research For Actual and International Issue (MORFAI), [S. l.], v. 6, n. 3, p. 3270–3289, 2026. Disponível em: https://radjapublika.com/index.php/MORFAI/article/view/5150. Acesso em: 11 feb. 2026.