I. Isnaeni, B. S. Zufara, and I. W. Lewa, “ALTERNATIVE OPTICAL METHODS FOR QUALITATIVE DETECTION OF VITAMIN B6 AND B12 OF BANANA”, J. Teknol Industri Pangan, vol. 31, no. 2, pp. 147–154, Dec. 2020, doi: 10.6066/jtip.2020.31.2.147.