1. Alroe, Hugo (2005). The Challenge of Ecological Justice in a Globalizing World, Danish Research Centre for Organic Food and Farming. Available online: https://orgprints.org/id/eprint/4307/4/4307-Alroe_4p_revised-ed.pdf.
2. Institutional Arrangements for Solid Waste Management in Cebu City, Philippines;Ancog;Journal of Environmental Science and Management,2012
3. The Young and the Sacred: An Analysis of Empirical Evidence from the Philippines;Baring;Young,2017
4. The Development and Validation of the Christian Environmentalism Scale (CES) from a Philippine Sample;Baring;Journal of Empirical Theology,2021
5. (2023, February 01). If You Want to Cultivate Peace, Protect Creation. Available online: https://www.vatican.va/content/benedict-xvi/en/messages/peace/documents/hf_ben-xvi_mes_20091208_xliii-world-day-peace.html.