(3deGPG LYd Gddg GdCeQGV (B:s (3ef Mce Ndb Gddg ddCeQGV (B/s - (3GdRejdj, RgjQ eMeO(B.s ((3YeGf(B- (3GdCQOf (B:s (3OGQ GdaQbGf ddfTQ hGdJhRjY,s, 1988)
Keywords: (3GdCeQGVs; (3KbGaI ESdGejIs