Khanhuathon, Y. and Wannaprom, N. (2021) “A Cost-Effective and Environmentally Friendly Approach in Using Green Tea Extracts for The Determination of Iron Ion with PiCOEXPLORER”, Journal of Applied Research on Science and Technology (JARST), 20(1), pp. 103–113. doi: 10.14456/rj-rmutt.2021.10.