Contribution to the Study of the Chemical and Microstructural Quality of Reinforcing Bars in DR. Congo “Case of the City of Lubumbashi” Journal title: International Journal of Current Science Research and Review Authors: Kanyonga Zoza C., Ilunga Ngoie H., Mukalayi Umba D., Luhembwe Baruani J., Zeka Mujinga, Kayembe K.E.... Subject(s): Agricultural Science, Plant Sciences, Economic Development, Technological Change and Growth, Medical Education , Business, Commercial, Consumer and Financial Law, Mathematical Modelling and Industrial Mathematics, Philosophy of the Social Sciences, Humanities, Multidisciplinary, Psychology, Multidisciplinary, Engineering, Multidisciplinary, Materials Science, Multidisciplinary