D. . Hikmah Perkasa, C. . Arbaina, M. Imelda Novita Susiang, R. . Dhyan Parashakti, M. Al Faruq Abdullah, and C. . Mini Rostina, “The Influence of Discipline, Leadership and Work Environment Toward Employee Performance at BPJSTK in DKI Jakarta Branch”, KSS, vol. 8, no. 12, pp. 471–480, Jul. 2023.