Rahma, H. “The Research and Develpoment of Javanese Letter Story Book to Improve Reading Skill Junior High School Student in Magelang Regency.”. Piwulang : Jurnal Pendidikan Bahasa Jawa, Vol. 3, no. 1, July 2019, pp. 1-10, doi:10.15294/piwulang jawa.v3i1.15084.