Wiboonsirikul, Jintana. 2019. “DEGRADATION KINETICS OF COLOR IN BUTTERFLY PEA (Clitoria ternatea L.) EXTRACT DRIED WITH SUGAR”. Research Journal Phranakhon Rajabhat : Science and Technology 14 (1):1-11. https://li01.tci-thaijo.org/index.php/PRRJ_Scitech/article/view/147774.