Irsal, M., Syuhada, F.A., Ananda, Y.P., Putra, A.G.P., Syahputera, M.R., Wibowo, S. and Kahar, R. 2020. ANALYSIS EXPOSURE INDEX AS AN OPTIMIZATION EFFORT ON EXAMINATION CHEST POSTERIOR ANTERIOR. Journal of Vocational Health Studies. 4, 2 (Nov. 2020), 50–54. DOI:https://doi.org/10.20473/jvhs.V4.I2.2020.50-54.