(3caGMj s - (3gJdQ(B. (3COhdas ((3OGQ GdcJH GdTYHjIs (3HjQhJs, 1975)
Keywords: (3JGQjN CdeGfjGs; (3gJdQ (B- (3ePcQGJ TNUjI s; (3gJdQ (B- (3JQGLe TNUjI s