(3GdGjOR(B: (3hGaOI fbU GdefGYI GdecJSHI (B/ s - (3eDSSI GdGHMGK GddZhjIs ([S.N] : (3eDSSI GdGHMGK GddZhjI , s, 1988)
Keywords: (3GdYdGLs; (3GeQGV ajQhSjIs; (3GdGjORs; (3hSGFd GdhbGjIs; (3GdGjOR hGdGWaGds