(3GdMcGjGJ GdTYHjI (B/ s - (3YHOGdMejO jhfSs ([S.N] : (3GdeDSSI GdeUQjI GdYGeI ddJGdja hGdJQLeI , s, 1968)
Keywords: (3GdGOH GdTYHis; (3GdNQGaGJs; (3GdbUU GdNQGajIs; (3GdGSGWjQs; (3GdbUU GdTYHjIs