Bejigo, N. and Yadessa, A. 2022. Development in the Synthesis and Biological Activities of THβ-carboline and Its Analogs: Review. Ethiopian Journal of Science and Sustainable Development. 9, 2 (Aug. 2022), 96-123. DOI:https://doi.org/10.20372/ejssdastu:v9.i2.2022.460.