Yingsanga, P. “IMPACTS OF ASCORBIC ACID AND CITRIC ACID ON REDUCING BROWNING OF READY TO COOK CHILI”. Research Journal Phranakhon Rajabhat : Science and Technology, vol. 15, no. 2, Jan. 2020, pp. 172-84, https://li01.tci-thaijo.org/index.php/PRRJ_Scitech/article/view/230703.