MacGill, Victor Ronald David. “A Comparison of the Prochaska Cycle of Change and the Holling Adaptive Cycle”. Proceedings of the 54th Annual Meeting of the ISSS - 2010, Waterloo, Canada 54, no. 1 (August 26, 2010). Accessed August 9, 2022. https://journals.isss.org/index.php/proceedings54th/article/view/1438.