(3QjGV GdGWaGd ai GdhWf GdYQHi Hjf GdhGbY hGdeSJbHd(B: (3GdbGgQI(B( 6-3 (3jhdjh (B1989) / s - (3GdeLdS GdYQHi ddWahdI hGdJfejIs; (3SejQ SGde GdejdGOi (B((3GYOGO(B)s; (3MfGf SQGL GdOjfs ([S.N] : (3GdeLdS GdYQHi ddWahdI hGdJfejI , s, 1989)
Keywords: (3GdGWaGds; (3QjGV GdGWaGds