1. Acton, W. H., Johnson, P. J., & Goldsmith, T. E. (1994). Structural knowledge assessment: Comparison of referent structures. Journal of Educational Psychology, 86(2), 303–311. https://doi.org/10.1037/0022-0663.86.2.303
2. Agustina, Y. (2013). The effectiveness of semantic mapping to teach reading viewed from students’ intelligence (UNS-Pascasarjana Prodi. English Education-S891108124-2013) [Master’s thesis, Sebelas Maret University, UNS-Pascasarjana]. Institutional Repository. https://digilib.uns.ac.id/dokumen/detail/29836/The-Effectiveness-Of-Semantic-Mapping-To-Teach-Reading-Viewed-From-Students-Intelligence
3. Alshatti, S., Watters, J., & Kidman, G. (2010). Enhancing the teaching of family and consumer sciences: The role of graphic organisers. Journal of Family and Consumer Sciences Education, 28(2), 14–35. https://www.researchgate.net/publication/277754454_Enhancing_the_teaching_of_family_and_consumer_sciences_the_role_of_graphic_organisers
4. Ausubel, D. P. (2000). The acquisition and retention of knowledge: A cognitive view [eBook edition]. Springer Dordrecht. https://doi.org/10.1007/978-94-015-9454-7
5. Ausubel, D. P., Novak, J. D., & Hanesian, H. (1978). Educational psychology: A cognitive view (2nd ed.). Holt.