Saefullah, E. .; Pradita, A. A. D. .; Purba, M. M. J. .; Martono, B. .; Fauziah, S. .; Aulia, R. . ASSISTANCE OF BANANA CHIPS MSMES DURING THE COVID-19 PANDEMIC USING ONLINE MARKETING AND BUSINESS LICENSES. COMMUSER EMPO ENGA 2021, 1, 123-131.