1.
Sailun B, Eka Putri M, Handayani P. AN ANALYSIS OF SCHOOL-WIDE TOKEN ECONOMY SYSTEM ON CHALLENGE BEHAVIOR OF MENTAL RETARDATION’ STUDENTS AT SLBN PENBINA PEKANBARU: (Analisis School-Wide Token Economy System pada Tantangan Perilaku Siswa Keterbelakangan Mental ’di SLBN Pembina Pekanbaru). Perspektif [Internet]. 2017 Sep. 23 [cited 2024 Jul. 3];6(12):25-3. Available from: https://journal.uir.ac.id/index.php/Perspektif/article/view/259