Yogi Yunus Siahaan, Fransiska Simangunsong, Turnip H. TANTANGAN DALAM MENDIDIK ANAK PENDERITA TUNAGRAHITA. PediaQu [Internet]. 2023 Dec. 20 [cited 2026 Jul. 14];2(4):13172-8. Available from: https://publisherqu.com/index.php/pediaqu/article/view/754