Nuthongkum, P., P. Junlabhut, and P. Junlabhut. “Effect of Microwave Radiation on Physicochemical Structure of Chicken Eggshells”. Wichcha Journal Nakhon Si Thammarat Rajabhat University, vol. 41, no. 2, Dec. 2022, pp. 28-40, https://li01.tci-thaijo.org/index.php/wichcha/article/view/253876.