(3ePcQGJ hhKGFb ef JGQjN YeGd eUQ(B: (3caGM YeGd GdfSjL(B, (3GdcJGH GdGhd (B/ s - (3Wg SYO YKeGfs ([S.N] : (3ecJHI eOHhdi , s, 1983)
Keywords: (3eUQs; (3JGQjNs; (3GdYed hGdYeGds; (3GdfbGHGJ GdYeGdjIs