“ Analisis Lingkungan Eksternal Dan Organizational Citizenship Behavior Terhadap Kinerja Karyawan Perumda Tirta Jaya Mandiri Sukabumi ”. 2025. Management Studies and Entrepreneurship Journal (MSEJ) 6 (4): 6649-61. https://doi.org/10.37385/msej.v6i4.8401.