IRAWAN, C.; YULIANA, E.; SOLIHAT, I.; NINGSIH, D. P.; VIRGIYANTI, S.; SETYAWATI, S. R.; TOHIR, M. Development and Validation of a Flame Atomic Absorption Spectrometry Method for Determining Cobalt in Mineral Premix for Animal Feed. Helium: Journal of Science and Applied Chemistry, [S. l.], v. 6, n. 1, p. 49–57, 2026. DOI: 10.33751/helium.v6i1.24. Disponível em: https://helium-fmipa.unpak.ac.id/index.php/he_jsac/article/view/24. Acesso em: 9 jun. 2026.