Jemi Anggara, Anis Endang SM, Dilmai Putra. Persuasive Communication Strategy in Facebook Buy and Sell Groups: A Case Study of Sari Octavia Qi’s Mobile Phone Promotion in the Sungai Are Sindang Danau Pulau Beringin Forum. IJHCIM [Internet]. 2025 Jun. 25 [cited 2025 Oct. 25];2(2):112-8. Available from: https://pubjournals.com/ijhcim/article/view/144