Aritonang, D. R.; Harahap, E. M.; Afifah, N.; Siregar, K. A.; Hasibuan, N. S.; Rofiah, R. Digital Politeness As Communicative Scaffolding: Emojis and the Batak Angkola Dialect in WhatsApp-Based Academic Communication. ALJ 2026, 4, 441-466.