Kuswandi Kuswandi. “Analysis Of Leadership Style, Work Ethics, And Work Environment On Productivity In Pt. Pacific Equinox Surabaya”. Educational Administration: Theory and Practice 30, no. 11 (December 19, 2024): 758–767. Accessed September 16, 2025. https://www.kuey.net/index.php/kuey/article/view/8766.