Heavy metal contamination in swiftlet feathers: A comparative study of chromium and arsenic levels in industrial and non-industrial areas of East Java, Indonesia. BIS Energy and Engineering, [S. l.], v. 2, p. V225009, 2025. DOI: 10.31603/biseeng.348. Disponível em: https://unimma.press/conference/index.php/biseeng/article/view/348. Acesso em: 8 jun. 2025.