Popo Suryana. “Online-to-Offline Marketing (O2O: Strategies to Increase Sales Conversion”. Jurnal Info Sains : Informatika dan Sains 13, no. 03 (December 29, 2023): 1189–1194. Accessed June 29, 2026. https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/4049.