Firly Ajurni, Novilia Wulan Sari, and Sumriyah Sumriyah. “SURAT BERHARGA CEK”. JURNAL PENDIDIKAN DAN ILMU SOSIAL (JUPENDIS) 1, no. 3 (June 7, 2023): 99–106. Accessed December 22, 2024. https://jurnal.itbsemarang.ac.id/index.php/JUPENDIS/article/view/240.