KARTIKA, W.; ALBAR, A. .; LUBIS, I. Analysis of Influence Factors Labor Supply Class Elderly at Medan City. International Journal of Social Science, Education, Communication and Economics (SINOMICS Journal), [S. l.], v. 2, n. 3, p. 425–436, 2023. DOI: 10.54443/sj.v2i3.147. Disponível em: https://sinomicsjournal.com/index.php/sj/article/view/147. Acesso em: 11 may. 2025.