Amalia, L., Nabila, R. and Syafrullah3, M. 2019. Sigap E4 (Strategi Tunagrahita Perangi Era 4.0). International Journal of Community Service Learning. 3, 2 (Jun. 2019), 94–100. DOI:https://doi.org/10.23887/ijcsl.v3i2.18334.