Yekti, Yusuf Nugroho Doyo, et al. “From Ergonomic Design to Intelligent Healthcare: A Bibliometric Analysis of Elderly‑Oriented Research”. IJIES (International Journal of Innovation in Enterprise System), vol. 10, no. 2, Aug. 2026, pp. 11-28, doi:10.25124/ijies.v10i02.10881.