Petrovich, M. B., Amorim Filho, V. R., & Gomes Neto, J. A. (2007). Direct determination of Calcium in milk by atomic absorption spectrometry using flow-injection analysis. Eclética Química, 32(3), 25–30. https://doi.org/10.26850/1678-4618eqj.v32.3.2007.p25-30