(3ePcQGJ hhKGFb ef JGQjN YeGd eUQ GdcJGH GdKGfi (B/ s - (3Wg SYO YKeGfs ([S.N] : (3ecJHI eOHhdi , s, 1982)
Keywords: (3eUQs; (3JGQjNs; (3GdGfJNGHGJs; (3GdYed hGdYeGds; (3GdfbGHGJ GdYeGdjIs; (3GdhKGFbs; (3GdYdGbGJ GdUfGYjIs