*) International Journal of Social Science and Business (IJSSB) telah terakredtasi SINTA 2 oleh Kementerian Riset, Teknologi dan Pendidikan Tinggi dengan Nomor Sertifikat 30/E/KPT/2019
Rahmah, Dian Dwi Nur, Mulawarman University, Samarinda, Indonesia, Indonesia
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International Journal of Social Science and Business Vol. 6 No. 3 (2022): August - Articles
Brain Gym Therapy: Focus Attention as an Effort to Improve Student Learning Concentration
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