Marchinkowski, George, and Pieter GR De Villiers. “The Rediscovery of Spiritual Practices Within Protestantism”. Stellenbosch Theological Journal 6, no. 1 (August 28, 2020): 429–456. Accessed January 16, 2026. https://ojs.reformedjournals.co.za/index.php/stj/article/view/2090.