D. A. Ningrum, T. S. Wira, T. S. Siagian, T. Hidayah, J. Jufrizen, and S. Mujiatun, “Employee Ecological Behavior Through Green Transformational Leadership: The Mediating Role of Green Hrm Practices and Green Organizational Climate: A Systematich Literature Review”, JCPA, vol. 4, no. 02, pp. 229–236, Jul. 2026.