“…In addition, teaching methods such as active learning (Hoffman et al, 2021;Kioupi et al, 2022;Sierra & Suárez-Collado, 2021;Tuzun, 2020), problem-based learning (Kirchherr & Piscicelli, 2019b;Nguyen, 2023), games (de la Torre et al, 2021;Jääskä et al, 2021;Khoury et al, 2023b;Kioupi et al, 2022;Occhioni et al, 2023), and case studies (Liu & Côté, 2021;Spreafico & Landi, 2022) are also often practiced by teachers in circular economy teaching.…”