Henti Sulistiowati, M Syarif Sumantri, & Edwita. (2018). The Development of a Quiet Book Media for Elementary School Students’ Speaking Skills. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, 4(8), 112–116. https://doi.org/10.31695/IJASRE.2018.32814