NURFADILLAH, A. R.; HUTUBA, A.; DJAFAR, S. M. . Nitrogen dioxide (NO2) levels and health problems in street sellers around Universitas Negeri Gorontalo (UNG). Gema Wiralodra, [S. l.], v. 14, n. 3, p. 1439–1446, 2023. DOI: 10.31943/gw.v14i3.550. Disponível em: https://gemawiralodra.unwir.ac.id/index.php/gemawiralodra/article/view/550. Acesso em: 23 feb. 2024.