Jauhar Fakhri Widodo Tjokromihardjo, Kesi Widjajanti, and Paulus Wardoyo, “PENGARUH ENTREPRENEURIAL SELF-EFFICACY DAN ENTREPRENEURIAL LEADERSHIP TERHADAP BUSINESS PERFORMANCE”, Sustainable Business Journal, vol. 4, no. 2, pp. 1–24, Sep. 2025, doi: 10.26623/sbj.v4i2.13359.