“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, vol. 9, no. 1, Aug. 2026, pp. 571-7, https://doi.org/10.21070/xmjgx843.