(3eUQ(B: (3hYGde GdHMQ GdeJhSW (B/ s - (3QDha YHGSs ([S.N] : (3OGQ GdacQ ddOQGSGJ hGdfTQ hGdJhRjY , s, 1986)
Keywords: (3eUQs; (3JGQjN MOjKs