by El-Hefny, N.E., El-Nadi, Y.A., Daoud, J.A.
Published in Separation and purification technology (20.11.2010)

by Gasser, M.S., El-Hefny, N.E., Daoud, J.A.
Published in Journal of hazardous materials (01.03.2008)

by Emam, Sh. Sh, Gamal, R., El-Hefny, N. E.
Published in Journal of radioanalytical and nuclear chemistry (01.08.2024)

by El-Hefny, N. E., Daoud, J. A.
Published in Solvent extraction and ion exchange (01.11.2007)

by El-Nadi, Y. A., El-Hefny, N. E., Daoud, J. A.
Published in Solvent extraction and ion exchange (01.03.2007)

by Gamal, R., Rizk, S. E., El-Hefny, N. E.
Published in Journal of inorganic and organometallic polymers and materials (01.07.2022)

by Madbouly, H.A., El-Hefny, N.E., El-Nadi, Y.A.
Published in Separation science and technology (04.03.2021)

by Gamal, R., Rizk, S.E., El-Hefny, N.E.
Published in Journal of alloys and compounds (05.02.2021)

by Rizk, H.E., El-Hefny, N.E.
Published in Journal of alloys and compounds (05.01.2020)

by El-Hefny, N. E., El-Nadi, Y. A., Daoud, J. A.
Published in Solvent extraction and ion exchange (01.10.2006)

by El-Hefny, N.E.
Published in Separation and purification technology (18.05.2009)

by Ahmed, I.M., El-Nadi, Y.A., El-Hefny, N.E.
Published in Hydrometallurgy (01.01.2013)

by El-Hefny, N.E., El-Nadi, Y.A., Ahmed, I.M.
Published in International journal of mineral processing (23.11.2011)

by El-Hefny, N.E.
Published in Chemical engineering and processing (2010)

by El-Nadi, Y. A., El-Hefny, N. E., Aly, H. F.
Published in International journal of minerals, metallurgy and materials (01.08.2013)

by El-Hefny, N. E., Gasser, M. S., Rizk, S. E., Saad, E. A., Daoud, J. A.
Published in Solvent extraction and ion exchange (26.02.2010)

by El-Nadi, Y.A., El-Hefny, N.E.
Published in Chemical engineering and processing (01.02.2010)

by El-Hefny, N.E., El-Nadi, Y.A., Aly, H.F.
Published in Separation and purification technology (29.04.2011)

by El-Hefny, N. E., Daoud, J. A.
Published in Journal of radioanalytical and nuclear chemistry (2004)

by Emam, Sh.Sh, El-Hefny, N.E.
Published in Hydrometallurgy (01.05.2023)