Hasibuan, J., N. A. . Hasibuan, and S. R. . Pasaribu. “Writing Literacy, Media and Writing Techniques in Early Childhood ”. L’Geneus : The Journal Language Generations of Intellectual Society, vol. 13, no. 3, Dec. 2024, pp. 114-7, https://www.ejournal.iocscience.org/index.php/geneus/article/view/5987.