i chose this article because it can help me with background of study as well as ideas for introduction.









i chose this article because it has many statistical information covering many variables (age,marital,education background,etc.). this can help me to conduct
my survey.





i chose this because it is complete and follow most if not all of the format for our proposal. it also has many references and can help me to write it correctly.


http://www.e-mjm.org/1994/v49n2/Smoking.pdf

http://www.biomedcentral.com/content/pdf/1617-9625-2-3-133.pdf

http://www.apocp.org/cancer_download/Volume12_No3/619-24%20c%201.3%20%20Redhwan%20Ahmed%20Al-Naggar.pdf