Sunarya, P. A., Bernard, D. D., & Damanik, D. M. (2019). Viewboard Implementation Based on Javascript Charts As a Media for Submitting Sales Information on a Green E-Commerce Website Light Cafe. Aptisi Transactions on Technopreneurship (ATT), 1(1), 11–19. https://doi.org/10.34306/att.v1i1.10