Ernawati D, Tranggono. Online Business Training in Marketplace for Beginner for Students of SMA Muhammadiyah 3 Surabaya. Nusantara Sci. Tech. Proc. [Internet]. 2020 May 18 [cited 2025 Jul. 31];:379-86. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/212