Nurabadi, A. et al. 2021. THE EFFECT OF INSTRUCTIONAL, TRANSFORMATIONAL AND SPIRITUAL LEADERSHIP ON ELEMENTARY SCHOOL TEACHERS’ PERFORMANCE AND STUDENTS’ ACHIEVEMENTS. Jurnal Cakrawala Pendidikan. 40, 1 (Feb. 2021), 17–31. DOI:https://doi.org/10.21831/cp.v40i1.35641.