(1)
Suryandari, S.; Hanurawan, F.; Chusniyah, T.; Hutagalung, F. D.; Raman, F. I. Addressing Underachievement Among Gifted High School Students in Mathematics: The Impact of the STAD Approach in Indonesia. Psympathic J. Ilm. Psikol. 2025, 12, 53-62.