Organizational Management of Teenage Red Cross (PMR) Mula Level in Public Elementary School No.067951 Medan. Jurnal Semesta Ilmu Manajemen dan Ekonomi, [S. l.], v. 1, n. 2, p. 102–113, 2024. DOI: 10.71417/j-sime.v1i2.170. Disponível em: https://jurnalpustakacendekia.com/index.php/J-SIME/article/view/170.. Acesso em: 5 feb. 2025.