(3GdYed aj eLehYGJ (B=s working in groups : (3aj EWGQ GdJOQjH hJfejI GdeLJeY (B/s - (3MSfjf, MSjf eMeO,s 1959- ((3YeGf, GdCQOf (B:s (3OGQ eLOdGhj ddfTQ hGdJhRjY,s, 2009)
(3bGFeI eUWdMGJ (B: (3U(B. 197-198.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdJNWjW GdEOGQjs; (3GdJOQjHs -- (3JNWjWs; (3GdJOQjH GdEOGQjs; (3GdMbGFH GdJOQjHjIs; (3GdehXahfs -- (3JOQjHs; (3EOGQI GdCYeGds