Gularso, D., R. Y. Purwoko, Sujatmiko, W. Ika Purwaningsih, and F. Ayu Nor Ingtias. “Developing a Local Genius-Based Pocket Book for Elementary School Students”. Pegem Journal of Education and Instruction, vol. 13, no. 3, July 2023, pp. 304-13, doi:10.47750/pegegog.13.03.31.