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  1. using enzyme for dolomite separation from phosphate ore

    Article • Mining Metallurgy & Exploration, August 2019, Springer Science + Business Media

    prof ahmed yehia yehia metallurgist

  2. The recycling of shredded currency waste of The Egyptian Central Bank.

    Article • Separation Science and Technology, November 2017, Taylor & Francis

    prof ahmed yehia yehia metallurgist

  3. english

    Article • Tenside Surfactants Detergents, March 2016, Carl Hanser Verlag

    prof ahmed yehia yehia metallurgist