“Behind the Notifications: Direct Marketing Strategies via WhatsApp at Cikole Lembang Luwak Coffee Agrotourism: Di Balik Notifikasi: Strategi Pemasaran Langsung via WhatsApp Di Agrowisata Kopi Luwak Cikole Lembang”. Procedia of Social Sciences and Humanities 9, no. 1 (August 28, 2026): 571–577. Accessed August 28, 2026. https://pssh.umsida.ac.id/index.php/pssh/article/view/1158.