(3fXQjGJ h eSGFd aj ebOeI aj Yde GdfaS (B/ s - (3hjJjL, BQfhas; (3GdCThd, YGOd YR GdOjfs ((3GdbGgQI (B:s (3OGQ eGcLQhgjd,s, 1977)
Keywords: (3Yde GdfaSs