(3eONd dOQGSI eWGeY GdjghO aj adSWjf bOjeG hMOjKG (B/ s - (3TQja, eMeO HOjY, s 1905-1982(3, s ([(3GdbGgQI, eUQ(B] : s (3GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhe, eYgO GdHMhK hGdOQGSGJ GdYQHjI (B973.s, 1973)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B183-185.s
Keywords: (3GdfRGY GdYQHj GdGSQGFjdj(B.s; (3GdbVjI GdadSWjfjI(B.s; (3adSWjfs -- (3JGQjNs -- (3GdGMJdGd GdESQGFjdj, (B1948-s