Z.-W. Qian, G.-S. Wan, X.-L. Du, Y.-F. Shi, et G. Huang, « Performance Evaluation of Digital Marketing in Health Care Industry with the Application of Data Envelopment Analysis », rcis, vol. 60, p. 39–50, mars 2018, Consulté le: nov. 06, 2026. Disponible sur: https://www.rcis.ro/journal/article/view/2417-performance-evaluation-of-digital-marketing-in-health-care