@article{201902.0218, doi = {10.20944/preprints201902.0218.v1}, url = {https://doi.org/10.20944/preprints201902.0218.v1}, year = 2019, month = {February}, publisher = {Preprints}, author = {Amna yousif Mohamed and Ahmed Ali Mustafa}, title = {Gas Chromatography-Mass Spectrometry (GC-MS) Analysis of Essential Oil Salvia Officinalis in Sudan}, journal = {Preprints} }