JUNIAWAN, Egi Adha. PENGARUH PELATIHAN JARIMATIKA TERHADAP PENURUNAN TINGKAT STRESS BAGI NARAPIDANA LEMBAGA PEMASYARAKATAN (LAPAS) KELAS IIB RANGKAS BITUNG. Symmetry: Pasundan Journal of Research in Mathematics Learning and Education, [S.l.], v. 5, n. 1, p. 59-72, july 2020. ISSN 2548-2297. Available at: <https://journal.unpas.ac.id/index.php/symmetry/article/view/2789>. Date accessed: 27 feb. 2021. doi: http://dx.doi.org/10.23969/symmetry.v5i1.2789.