Department of Industrial Engineering;
University of Engineering and Technology;
Department of Physics & Astronomy and Graphene Research Institute;
Sejong University;
Department of Engineering;
University of Sannio;
Centre for Optical and Electromagnetic Research;
South China Academy of Advanced Optoelectronics;
South China Normal University;
Laser-induced; breakdown; spectroscopy; Elements; identification; Health-care; pharmaceutics; Qualitative; analysis; Quantitative; analysis;