(3GdSjGSI GdCeQjcjI JLGg GdUQGY GdYQHj GdESQGFjdi (B:s (3ef MQH CcJhHQ 1973 hMJi EJaGbjI cGeH OjajO (B/s - (3fHjd eMehO YHO GdZaGQs ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1982)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfRGY Hjf GdOhds; (3GdbGfhf GdOhdj GdYGes