(3GdQb ai eUQ ai GdYUhQ GdhSWi (B/ s - (3YHOGdYRjR eMehO YHOGdOGjes ([S.N] : (3ecJHI fgVI GdTQb , s, 1983)
Keywords: (3eUQs; (3GdJGQjN GdGSdGeis; (3GdQbjbs; (3GdMVGQI GdGSdGejIs