indianasari, Indianasari, Erni Suharini, and Eko Handoyo. “Effectiveness of Problem Base Learning (PBL) Assisted by Pocket Book to Reading Literacy Skill of Students”. Educational Management 8, no. 2 (October 16, 2019): 214-220. Accessed May 3, 2024. https://journal.unnes.ac.id/sju/eduman/article/view/34843.