Which is Better: E-Book or Printed Book? A Meta-Analysis of Educational Materials in Language Learning - Listanto, Virgiawan ; Arlinwibowo, Janu ; Permatasari, Anggraeni Dian ; Iftitah, Khofifa Najma ; Anwas, Ence Oos Mukhamad (International Review of Research in Open and Distributed Learning, 2025)