N. P. S. Suryantini, I. W. E. Arsawan, V. Koval, N. K. Purnawati, and N. W. E. R. Dewi, “From Productivity To Sustainable Competitive Advantage: Unpacking The Mediation Of Financial Performance And Business Diversification”, MIX, vol. 16, no. 3, pp. 965–986, Oct. 2026.