Joly, Agnes, Ranka Junge, and Tamas Bardocz. “Aquaponics Business in Europe: Some Legal Obstacles and Solutions”. Ecocycles 1, no. 2 (October 3, 2015): 3–5. Accessed October 23, 2021. https://www.ecocycles.net/ojs/index.php/ecocycles/article/view/30.