R. . Rila, I. Indrayani, A. . Rahmasari, R. . Nozariyanti, and M. . Khaddafi, “DETERMINATION OF TRANSFORMATIONAL LEADERSHIP, EDUCATION AND WORK DISCIPLINE WITH WORK SPIRIT AS A MEDIATOR VARIABLE ON EMPLOYEE PERFORMANCE TAX MANAGEMENT AGENCY AND RETREBUTION FOR THE CITY OF BATAM”, MORFAI, vol. 2, no. 1, pp. 107–116, Apr. 2022.