“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”. 2026. Procedia of Social Sciences and Humanities 9 (1): 571-77. https://doi.org/10.21070/xmjgx843.