Sogiato Lastri Hasonangan Cibro et al. 2023. Analisis Metode Pembelajaran Langsung Pada Anak Tunagrahita Di Slb Negeri Siborong Borong. Journal of Cross Knowledge. 1, 2 (Dec. 2023), 176–182. DOI:https://doi.org/10.70610/jck.v1i2.125.