ASRI, Asri. UPAYA MENINGKATKAN KEMAMPUAN BERHITUNG PERMULAAN MELALUI METODE JARIMATIKA. HUMANIS: Jurnal Ilmu-Ilmu Sosial dan Humaniora, [S. l.], v. 11, n. 2, p. 137–146, 2019. DOI: 10.52166/humanis.v11i2.2302. Disponível em: https://ejournal.unisda.ac.id/index.php/Humanis/article/view/2302. Acesso em: 4 jun. 2026.