(3ebOeI ai GdfbhO h GdHfhc (B/s - (3eMeO Rci TGaYi s ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] ,s, 1952)
(3jTJed Ydi EjVGMjGJ, LOGhd , eKjdjGJ (B.s
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
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Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s; (3GdfbhO h GdHfhcs