Harahap, I. T., Daulay, A. S. ., Rahman, F. and Nasution, H. M. (2023) “Determination of total phenolic content of bajakah wood (Spatholobus littolaris Hassk.) extract based on differences in ethanol concentration using Uv-Vis spectrophotometry method”, Journal of Pharmaceutical and Sciences, 6(4), pp. 1717–1728. doi: 10.36490/journal-jps.com.v6i4.302.