Novitasari, Meggy, Bambang Sumardjoko, Erni Suharini, and Mintarsih Arbarini. 2023. “Creativity and Innovation Skills in Child-Friendly Mathematics Learning in Elementary School”. International Conference on Science, Education, and Technology 7 (1):349-58. https://proceeding.unnes.ac.id/ISET/article/view/1981.