(3GdecJHI hefgL GdHMK (B:s (3Odjd GdHGMK hGdWGdH Gdi hSGFd GSJNOGe GdcJH hGdecJHGJ (B/s - (3YHO GdQMef(B, (3YHO GdLHGQs ((3GdHUQI(B, (3GdYQGb (B:s (3OGQ GdWHGYI GdMOjKI(B,s, 1972)
Keywords: (3GdecJHGJ Yde(B-(3JYdje hJOQjSs