Digital Receipt #3/Digital Receipt #3 Digital Receipt #3 Ming Hin Cheung Posted by Ming Hin Cheung on February 18, 2019 This entry is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. Ming Hin Cheunghttps://writing4engineers2019.commons.gc.cuny.edu/author/minghincheung/