(3GUhd GdJOQjHs - (3gGQIs; (3gGQIs; (3YHO Ydj fUjas ((3HZOGO(B[(3GdYQGb(B]s (3hRGQI GdJYdje GdYGdj hGdHMK GdYdejs, 1990)
(3jMJhj Ydi UhQs
(3eJQLe s
Keywords: (3GdJOQjH GdQjGVjs