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Puput Mulyono, Singgih Purnomo. Communication Psychology Training on Safe WhatsApp Usage for Santri UMKM at Islamic Boarding Schools. Kegiatan Positif [Internet]. 2025 Aug. 4 [cited 2025 Aug. 12];3(3):01-8. Available from: https://journal.arimbi.or.id/index.php/Kegiatanpositif/article/view/2120