Application of Aqueous Two-Phase System in the Extraction of Invertase Enzyme from Potato Tubers Using PEG8000/Potassium Phosphate. alkej [Internet]. 2025 Sep. 1 [cited 2025 Sep. 3];21(3):1-11. Available from: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/995