Almunawaroh, Nurul Fitriyah, Kuntum Trilestari, and Ayu Riani. 2021. “Developing an E-Book With Past Tenses Materials for the Students of English Education Study Program in the Indonesian Context”. J-SHMIC : Journal of English for Academic 8 (1):64-74. https://doi.org/10.25299/jshmic.2021.vol8(1).6209.