Riska Nofianti, F., A. Wachid Bambang Suharto, and R. Saputra. “Characters of Early Childhood Manners in The Storybook Permisi”. International Proceedings of Nusantara Raya, vol. 1, no. 1, Oct. 2022, pp. 234-8, doi:10.24090/nuraicon.v1i1.133.