Schader, Christian, Nicholas Lampkin, Adrian Muller, and Matthias Stolze. “The Role of Multi-Target Policy Instruments in Agri-Environmental Policy Mixes”. Annual Review of Policy Design 3, no. 1 (November 3, 2015): 1–10. Accessed June 4, 2025. https://ojs.unbc.ca/index.php/design/article/view/1266.