(3ehShYI QMdI OGNd LSe GdGfSGf (B((3TQGFW ajOjh(B) / s - (3c (B. (3e ddGfJGLs ((3GdbGgQI (B: s (3gGi ajde ddGfJGL hGdJhRjY , s, 1993)
Keywords: (3LSe GdGfSGfs; (3GdJTQjMs; (3GdGeQGV, Ydes; (3GdajOjh, CTQWIs; (3GdJSLjdGJ GdeQFjIs; (3GdGadGe GdYdejIs