T. T. V. Ha, V. M. Nguyen, and T. T. Tran, “Optimization of protein hydrolysis conditions from shrimp head meat (Litopenaeus vannamei) using commercial alcalase and flavourzyme enzymes”, CTU J. of Inn. & Sus. Dev., vol. 54, no. Special issue on Agriculture, pp. 16-25, Aug. 2018.