(3GdeJMa GdLjhdhLi (B: (3fHPI ehLRI Yf GdeJMa GdLjhdhLi HefGSHI GdegQLGf GdOhdi ddeJGMa (B/ s - (3eUdMI GdGHMGK GdLjhdhLjI hGdJYs ([S.N] : (3eUdMI GdGHMGK GdLjhdhLjI hGdJYOjfjI , s, 1956)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdeJGMas; (3GdbGgQIs; (3GdeJMa GdLjhdhLis