UMMAH, R. and BAHRI, F. Y. (2020) “THE EFFECT OF ACADEMIC SUPERVISION AND PRINCIPAL’S LEADERSHIP ON TEACHERS’ PERFORMANCE IN THE ELEMENTARY SCHOOL IN EAST JAKARTA”, JKP | Jurnal Kepemimpinan Pendidikan, 3(2), pp. 434–444. doi: 10.22236/jkpuhamka.v3i2.6784.