Quality evaluation and determination of heavy metal contents in palm oil. Bangladesh Journal of Scientific and Industrial Research, [S. l.], v. 55, n. 4, p. 301–310, 2020. DOI: 10.3329/bjsir.v55i4.50963. Disponível em: https://www.banglajol.info/index.php/BJSIR/article/view/50963. Acesso em: 3 jul. 2026.