(3GeJWGA GdfeQs - (3ajHj eGQh hhjdjGe dhjS(B-(3JQLeI YHOGddg LeYI GdMGLs ((3CHhXHjs (3eQcR GdEeGQGJ ddOQGSGJ hGdHMhK GdGSJQGJjLjIs, 1997)
Keywords: (3GdYdhe GdSjGSjI hGdYdGbGJ GdOhdjIs