Hamsinah, H. “THE EFFECT OF DISCIPLINE, MOTIVATION AND WORK ENVIRONMENT ON TEACHER PERFORMANCE AT SMPN 13, 17 AND 21 DEPOK”. Jurnal Ilmiah Manajemen, Ekonomi, & Akuntansi (MEA), Vol. 4, no. 1, May 2022, pp. 636-52, doi:10.31955/mea.v4i1.2048.