A. I. Kaloka, Shendi Haris Firmansyah, Marsyada Maghfirotul Wafiroh, Ni’mah Wati, Icha Nur Prayadi, and Danawati Hari Prajitno, “Impact of Rotational Speed and Impeller Types on Flow Patterns and Mixing Time in a Side-Entry Dual Mixer: A Study Using CFD and Visual Methods”, IJOE, vol. 12, no. 1, pp. 29–44, Aug. 2026.