فصل هشتم:

http://s4.picofile.com/file/7742663866/halliday_2_ch8_w.pdf.html


فصل نهم:

http://s4.picofile.com/file/7742689458/halliday_2_ch9_w.pdf.html


فصل دهم:

http://s4.picofile.com/file/7742692040/halliday_2_ch10_w.pdf.html