Kusumah A. STRATEGI PENINGKATAN PRODUKTIVITAS KARYAWAN CV. NISA CATERING SANGATTA. tintanusant. [Internet]. 2024Sep.30 [cited 2025Aug.31];10(2):57-68. Available from: https://ojs.stienusantara.ac.id/index.php/2018vol1/article/view/162