(3bVGjG WjHI ef efXhQ GdGSdGei HMK abgi ebGQf (B/ s - (3YHOGdaJGM eMehO GOQjSs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1993)
Keywords: (3GdGMcGe GdTQYjIs; (3GdGMcGes; (3Gdabg GdGSdGeis