O. K. Sangalang, M. Suriatie, E. P. Pangestie, and S. Sukarningsi, “Group Guidance Services Through The Game ‘Let’s Clapping Concentration’ To Improve Memory At State Elementary School 3 Langkai Palangka Raya”, Tunas J Pendidikan Guru Sekolah Dasar, vol. 11, no. 1, pp. 35–45, Dec. 2025, doi: 10.33084/tunas.v11i1.10653.