Ch. Endah Winarti, Seni Gloria Zega, Yohanes Ferry Cahaya and Annathasia Puji Erasashanti 2023. Impact of price, advertising and quality of service on TOKOPEDIA online purchase decisions during the COVID-19 pandemic (case study by state agency PT KOTAMAS MAKMUR) . International Journal of Economic Studies and Management (IJESM). 3, 3 (Jun. 2023), 963–972. DOI:https://doi.org/10.5281/zenodo.8081089.