(3Odjd HMhK GdGJUGd aj GdhWf GdYQHjs (3efP XghQ GdWHGYI MJj YGe (B1983 /s - (3YGWa YOdi GdYHO (B.s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHi(B,s, 1986)
(3GdcJGH jTJed Ydj cTGaGJ(B.s
(3GdGJUGd hGdGYdGe (B.s
Keywords: (3GdGJUGd (B.s; (3GdGYdGe (B.s