Sadje, H. 2020. Karl Gaspar’s Transformative Spirituality: Rediscovering Precolonial Philippine Spirituality and Its Challenges to Contemporary Filipino Pentecostal Spiritualities. Scientia - The International Journal on the Liberal Arts. 9, 2 (Sep. 2020), 1–12. DOI:https://doi.org/10.57106/scientia.v9i2.125.