Ayu Nur Fithri, & Gusmi Kholijah. (2025). Analysis of Stability of Lubricating Oil Discharge Using the Individual Moving Range (IM-R) Chart Method. JURNAL ILMIAH MATEMATIKA DAN TERAPAN, 22(1), 12 - 20. https://doi.org/10.22487/2540766X.2025.v22.i1.17915