Vol. 3 No. 2 (2019)

Articles

• Role of Health Education in Raising Tetanus Toxoid Vaccination Coverage among Pregnant Women and Mothers with Newborns in Khartoum North-Sudan, 2019

  Abeer Magthop Mohammed Frage, Prof. Hatim Rahamtalla Mohamed Ahmed, Fatima Fadol Ali Osman

  p66

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• Negative Refractive Index in Nanoparticles Layer at the Visible

  Hanan Ali, Guoping Zhang

  p79

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• List Edge Colorings of Planar Graphs with 7-cycles Containing at Most Two Chords

  Wenwen Zhang

  p85

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