(3GdNVQ GdLPQjI(B:s (3GdcQfH(B-(3GdbfHjW(B-(3GdNS(B-(3GdSHGfN(B-(3GdcQaS(B-(3GdNQTha(B-(3GdLRQ(B-(3GdHWGWG(B-(3GdHfLQ(B-(3GdbdbGS(B-(3GdaLd(B-(3GddaJ(B/s - (3GMeO YHOGdefYe MSfs ((3GdbGgQI(B[(3eUQ(B]:s (3GdOGQ GdYQHjI ddfTQ hGdJhRjY,s, 1990)
(3jMJhj Ydi UhQ JhVjMjI(B.s
Keywords: (3GdeMGUjd GdRQGYjIs; (3GdNVQGhGJs