(3QLGd CfRd Gddg ajge bQBfG (B/s - (3YejQI, YHO GdQMefs ((3GdQjGV (B:s (3OGQ GddhGA ddfTQ hGdJhRjY,s, 1978)
(3eJhaQ aj GdecJHI GdLRA GdQGHY abWs
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3Rcj(B.s
Keywords: (3GdbQBfs -- (3CSHGH GdfRhds -- (3QLGd CfRd ajge GdbQBfs