MANURUNG, A. P.; RATNASARI, S. L.; SUSANTI, E. N. The Influence of Leadership Style, Work Environment, Organizational Commitment, and Job Satisfaction on the Performance of Civil Servants of the Riau Islands Province KPU. Kontigensi : Jurnal Ilmiah Manajemen, v. 14, n. 1, p. 195-210, 25 Jun. 2026.