MIKA SERI DEAR ROHANI SIAHAAN1; RIENTJE RACHEL; HELENA TURNIP. Upaya Peningkatan Spiritualitas Anak Tuna Grahita Dengan Mata Pelajaran PAK. Journal of Cross Knowledge, [S. l.], v. 1, n. 2, p. 199–206, 2023. DOI: 10.70610/jck.v1i2.128. Disponível em: https://edujavare.com/index.php/IJCK/article/view/128. Acesso em: 9 aug. 2026.