Suparno S, Saptono A, Febriantina S, Narmaditya BS, Disman D. Macroeconomics E-book development: The role of literacies in blended learning. CJES [Internet]. 2022 Jul. 29 [cited 2024 Nov. 22];17(7):2274-89. Available from: https://un-pub.eu/ojs/index.php/cjes/article/view/7592