Ratnaningsih, Nani, and Yuriani Yuriani. 2005. “EFFECT OF SODIUM BISULFIT CONCENTRATION TO VITAMIN C RESIDENCE, TOTAL RESIDUAL SULFITE AND CONSUMER EQUIPMENT LEVEL ON HAIR SIRUP”. Jurnal Penelitian Saintek 10 (2). https://doi.org/10.21831/jps.v10i2.5473.