Hadiati, Ramayani Nur, et al. “Analysis of Shifts in Product Quality Using The Individual-Moving Range and Cumulative Sum Fast Initial Response Methods”. Al-Khwarizmi : Jurnal Pendidikan Matematika Dan Ilmu Pengetahuan Alam, vol. 14, no. 1, Mar. 2026, pp. 55-68, doi:10.24256/jpmipa.v14i1.8182.