تحديد البحث

لائحة الكتب

2
X X X
  • Research designs / Paul E. Spector.
    • 300.72 S7418r
    • Spector, Paul E.,
    • Sage Publications,
    • [1981] ©1981
    • Newbury Park :




  • Summated rating scale construction : an introduction / Paul E. Spector.
    • 300.151 S7418
    • Spector, Paul E.,
    • Sage Publications,
    • [1992] ©1992
    • California :