. (3SdSdI fOhGJ GdedJbi GdKbGaj aj JfhQjf hLHjds - (3WQHjg, LQLj GfWhfjhS, efKbs ([(3HjQhJ(B]:s, 1989)
Keywords: (3GdGOH GddHfGfj GdMOjKs -- (3ebGdGJ heMGVQGJs