Darwis, D., 		Matondang, S., & 		Sianturi, M.
(2020).
 THE EFFECT OF WORK DISCIPLINE AND WORK MOTIVATION ON EMPLOYEE WORK ACHIEVEMENT AT EDUCATION OFFICE OF NORTH SUMATERA PROVINCE.
<em>JURNAL PROINTEGRITA, 5</em>(1), 147-164.
doi:10.46930/jurnalprointegrita.v4i1.571