(3ePcQGJ fhQG GdePYhQI (B/ s - (3GSYGO jhfSs; (3YHOGdhgGH eWGhYs ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1992)
Keywords: (3GdGOH GdYQHis; (3GdGgGLi hGdacGgGJs; (3GdSNQjI ai GdGOHs