(1)
Yohanes, O.; Nurfadilah, N.; Bura , T. A. .; Kornelis , O. .; Citra , A. . Implementation of the 3S Culture (Smile, Greetings, Greetings) in Junior High Schools. Indones. J. Character Educ. Stud. 2026, 3, 46-54.