1. Agus, R. (2017). Indonesian Children's Publishing in New Era: Opportunities and Challenges. Asian Festival of Children's Content. https://afcc.com.sg/images/uploads/2017/REMON_AFCC_2017_Final_small.pdf
2. Anstey, M., & Bull, G. (2000). Reading the Visual: Written and Illustrated Children s Literature. Cengage Australia.
3. Anstey, M., & Bull, G. (2004). The Picture Book: Modern and Postmodern. In P. Hunt (Ed.), International Companion Encyclopedia of Children's Literature (2nd ed., Vol. 1, pp. 328-339). Routledge. https://doi.org/10.4324/9781315015729-25
4. Arizpe, E. (2020). The State of the Art in Picturebook Research from 2010-2020. Language Arts, 98(5), 260-272. https://library.ncte.org/journals/LA/issues/v98-5/31213
5. Baldini, M. (2019). Children's literature and hypermedia. The digitalization breakthrough in the children's publishing sector. 22, 2019-2020. https://oajournals.fupress.net/index.php/sf/article/view/9495