?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Wahjusaputri&rft.aufirst=Sintha&rft.au=Wahjusaputri%2C+Sintha&rft.title=Journal+of+Education+and+Learning+(EduLearn)&rft.atitle=Implementation+of+e-commerce+in+improving+the+competitiveness+of+vocational+secondary+education+student+entrepreneurship+products&rft.genre=article