Batubara SH, Syamsuri AR, Fikri MH, Hutasuhut J. Employee Performance of National Population and Family Planning Board North Sumatera, Based on: Internal Work Environment, Training and Corrective Discipline. IJBTOB [Internet]. 2022 Dec. 9 [cited 2025 May 18];2(6):609-21. Available from: https://ijbtob.org/index.php/ijbtob/article/view/230