(3fXQjGJ heSGFd ai GdGbJUGO GdOhdi (B/ s - (3Ohefjc SGdaGJhQs ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdGbJUGOs; (3GdGbJUGO GdOhdis