(1)
Okta Barera, R.; Arafik, M.; Kumalasari, A. R.; Mahanani, E. R.; Mashuri, M. F.; Anggraeni, S.; Anggraini, W. Habituation of the Words Please, Sorry, Thank You, Excuse Me As the Foundation of Character Education in Politeness for Children. JIPE 2026, 3, 242-251.