(3JgPjH GdJgPjH (B/ s - (3GHf MLQ GdYSbdGfi (B: (3HOQ GdOjf GHh GdeYGdi eMeO Hf GMeO Hf Ydis ([S.N] : (3OGQ UGOQ , s, 1968)
Keywords: (3GdMOjKs; (3GdLQM hGdJYOjds; (3GdGSfGOs