Ahmad, N., A. Naseem, S. Saadat, M. Shahnawaz, and M. Rafique. 2013. “TRACE ELEMENT ANALYSIS OF SOME MEDICINAL HERBS BY PROTON INDUCED X-RAY EMISSION (PIXE)”. The Nucleus 50 (3):183-88. https://doi.org/10.71330/thenucleus.2013.746.