美園勉. 神々も支配者もいない -- 非促進型（GMなし）デザイン枠組みの概要. RPG学研究: Japanese Journal of Analog Role-Playing Game Studies, [S. l.], n. 3, p. 70–81, 2022. Disponível em: https://www.jarps.net/index.php/journal/article/view/32. Acesso em: 25 4月. 2026.