(3GdOhQjGJ GdYQHjI(B: (3deMGJ ef JGQjNgG(B, (3efJNHGJ ef fhGOQgG (B/ s - (3GOGQI GdHMK GdYdei hGdfTGWs; (3GOGQI GdHMK GdYdei hGdfTGW GdK (B\\=a(3bSe GdOQGSGJ hGdJQLeI(Bvs ([S.N] : (3eQcR LeYg GdeGLO ddKbGaI hGdJQGK , s, 1993)
Keywords: (3GdOhQjGJs; (3GdecJHGJs