(3GdOjebQGWjI ai GdShOGf GdHYO GdJGQjNi hGdhWf GdQGgf hGaGb GdeSJbHd (B: (3GHMGK fOhI Jbjje GdJLGQH GdOjebQGWjI ai GdShOGf GdbGgQI(B. 4 (3` (B6 (3jhdjh (B1993 / s - (3eQcR GdOQGSGJ GdShOGfjIs; (3eQcR GdOQGSGJ GdSjGSjI hGdGSJQGJjLjIs ([S.N] : (3eQcR GdOQGSGJ GdShOGfjI , s, 1993)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdShOGfs; (3JGQjN MOjKs; (3GdOjebQGWjIs; (3GdGMRGH GdSjGSjIs