(3NhGU GdehGO GdNGe GdSjQGejcjI (B/ s - (3QjGf, hs; (3YjSi, aGVd jfOQs; (3YcGTg, eGLO eMeOs; (3GdSjO, ahRj YHO GdgGOjs ((3GdHUQI (B:s (3hRGQI GdJYdje GdYGdj h GdHMK GdYdej,s, 1986)
Keywords: (3GdCTZGd GdjOhjIs; (3GdUfGYI GdjOhjIs