Puspitasari DJ, Mahsunah AH, Nurdiani D, Astuti RI, Meryandini A. Influence of Co-feeding Methanol-sorbitol Ratio on Production of Human Insulin Precursor Expressed by Mut+ Pichia pastoris. HAYATI J Biosci. 2025;32(3):581-588. doi:10.4308/hjb.32.3.581-588