(3MbGFb Yf LdOc h OeGZcs - (3YHO GdbGOQ(B. (3QGFbI (B- (3eJQLeIs ((3GdecJHI GdhWfjI (B- (3OGQ KbGaI GdCWaGd , ecJHI GdWads (3HZOGOs, 1986)
(3JQLeI QGFbI YHO GdbGOQs
Keywords: (3Ydhe WHjYjIs; (3GdLdOs; (3GdOeGZs