(3GdUfGYI GdMOjKjI aj GdSff GdcHQi ddEeGe GdHjgbj (B/s - (3Nda, fLe YHO GdQMefs; (3GdHjgbj, CMeO Hf GdMSjf Hf Ydj,s 384-458 (3g`(B.s ((3GdefUhQI, eUQ (B:s (3OGQ GdhaGA ddWHGYI hGdfTQ hGdJhRjY,s, 1992)
(3jTJed Ydi cTGaGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdMOjKs -- (3Sff GdHjgbjs; (3GdMOjKs -- (3GdSffs