Tohir, M., A. Primadi, L. Agusinta, E. Saribanon, D. Darunanto, and P. C. Susanto. “Concepts Employee Productivity, Analysis in the Ground Handling Sector: A Literature Review Study”. Annals of Human Resource Management Research, vol. 6, no. 2, June 2026, pp. 417-32, doi:10.35912/ahrmr.v6i2.3833.