Wulandari, Oktaviana, Retno Firdiyanti, and Rahmita Laily. “The Efforts to Improve Children’s Expressive Language Ability through Picture Book Media (Big Book)”. Jurnal Perempuan dan Anak 5, no. 1 (February 26, 2022): 30–43. Accessed August 25, 2024. https://ejournal.umm.ac.id/index.php/JPA/article/view/20717.