“THE INFLUENCE OF PRINCIPAL LEADERSHIP AND WORK MOTIVATION ON TEACHER PROFESSIONALISM AT MADRASAH ALIYAH ULUL ALBAB LUBUKLINGGAU”, Leadership: j. mhs. manaj. Pendidikan. Islam., vol. 4, no. 2, pp. 155–166, Jul. 2023, doi: 10.32478/leadership.v4i2.1300.