Hiếu, T. N. B., and N. V. Tứ. “DETERMINATION OF β-CARROTEN CONCENTRATRION IN COLORED CEREALS IN THUA THIEN HUE PROVINCE BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY”. Hue University Journal of Science: Natural Science, vol. 126, no. 1D, Oct. 2017, pp. 79-93, doi:10.26459/hueuni-jns.v126i1D.4348.