Surati, Susi Cicilya. “Organizational Culture Transformation in Church : The Role of Friendly Leadership Mediation in Shifting Performative Spirituality towards Oikos Theology ”. Philosophy Global: International Journal of Christian and Catholic Philosophy, vol. 2, no. 2, June 2025, pp. 1-6, doi:10.70062/philosophyglobal.v2i2.234.