(3Hjf GdUMGaI hGdSjGSI (B:s !(3bUI (B((3hhKGFb(B) (3eYQcI ZQjHI aj GdMQH GdNajI (B/s - (3eMeO MSfjf gjcds ((3HjQhJ (B:s (3TQcI GdeWHhYGJ ddJhRjY hGdfTQ,s, 1987)
(3jTJed Ydi edGMb(B.s
(3jTJed Ydi bGFeI HefThQGJ GdeDdas
(3jTJed Ydi EQLGYGJ HHdjhLQGajI aj MhGTj GdUaMGJ(B.s
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Keywords: (3GdMQjGJ GdacQjI (B((3MQjI GdUMGaI(B)s