Muangthai*, P., P. Upajak, and W. Patumpai. “STUDY OF PROTEASE ENZYME AND AMINO ACID CONTENTS IN SOY SAUCE PRODUCTION FROM PEAGION PEA AND SOY BEAN”. CURRENT APPLIED SCIENCE AND TECHNOLOGY, vol. 7, no. 2-1, Nov. 2007, pp. 106-12, https://li01.tci-thaijo.org/index.php/cast/article/view/86820.