Sangalang, Oktamia Karuniaty, et al. “Group Guidance Services Through The Game ‘Let’s Clapping Concentration’ To Improve Memory At State Elementary School 3 Langkai Palangka Raya”. Tunas: Jurnal Pendidikan Guru Sekolah Dasar, vol. 11, no. 1, Dec. 2025, pp. 35-45, https://doi.org/10.33084/tunas.v11i1.10653.