Suma D, Siregar BA. THE EFFECT OF WORK ATTITUDE, EMPLOYEE LOYALTY, WORK DISCIPLINE ON EMPLOYEE PERFORMANCE IN KPP PRATAMA MEDAN EAST. Jurnal Ekonomi [Internet]. 2023 Jan. 11 [cited 2026 Jul. 14];12(01):148-53. Available from: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1217