Darari, Alfin, Mukholit ., and Arif Sony Wibowo. “Potfrigator Technology : Preservatives Equipment Low Energy For Fish and Reducing Hazardous Heavy Metals Based Photocatalytic Co Doped ZnO and Cooling Dynamic System”. KnE Energy 2, no. 2 (December 1, 2015): 16-21. Accessed April 29, 2024. https://knepublishing.com/index.php/KnE-Energy/article/view/352.