Listanto, Virgiawan, Janu Arlinwibowo, Anggraeni Dian Permatasari, Khofifa Najma Iftitah, and Ence Oos Mukhamad Anwas. 2025. “Which Is Better: E-Book or Printed Book? A Meta-Analysis of Educational Materials in Language Learning”. The International Review of Research in Open and Distributed Learning 26 (3):170-92. https://doi.org/10.19173/irrodl.v26i3.8468.