Wistiasari, D., M. Y. M. S. K. . Aswirawan, and R. F. . Dwipananda. “Analysis of Operational Management Implementation at Kalbe Farma Tbk”. Neo Journal of Economy and Social Humanities, vol. 4, no. 2, Aug. 2025, pp. 380-9, doi:10.56403/nejesh.v4i2.328.