Deda, Yohanis Ndapa, Hermina Disnawati, and Otaget Daniel. “How Important of Students’ Literacy and Numeracy Skills in Facing 21st-Century Challenges: A Systematic Literature Review”. Indonesian Journal of Educational Research and Review 6, no. 3 (October 31, 2023): 563–572. Accessed December 30, 2024. https://ejournal.undiksha.ac.id./index.php/IJERR/article/view/62206.