الضاهر, نسيم, جامعة تشرين, Syrian Arab Republic

• Tishreen University Journal -Engineering Sciences Series, Vol. 43 No. 2 (2021): Tishreen University Journal for Research and Scientific Studies - Engineering Sciences Series - Articles
  Improving Mechanical Properties (Impact Strength and Wear Resistance) of Drilling Teeth Steel and Breakers Hammersr
  Abstract  Pdf (العربية)