(3GdTaGA (B: (3GdWHjYjGJ (B8 - (3GdMjhGf (B/s - (3GHh Ydi GdMSjf Hf nYHO Gddg Hf GdMSf Ydi Hf pSjnfG s; (3YHOGdMdje efJUQs; (3SYjO RGjO s; (3YHOGddg GSeGYjds; (3GHQGgje Hjhei eOchQs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddJGdja hGdJQLeI ,s, 1970)
Keywords: (3GdMVGQI GdYQHjI GdGSdGejI (B- (3GdeYGQa GdHMQjIs; (3GdYdes; (3GdJQGKs; (3GdJQGK GdYQHis; (3GdQjGVjGJs; (3Gdadcs; (3GdYdhe YfO GdYQHs; (3GdMVGQI GdGSdGejIs; (3GdchGcHs; (3GdTeSs; (3GdgjFIs