khattak, A. B., and M. I. Arshad. “Barricades In Implementation And Adoptation Level Of Iso-9001 In Construction Industry Of Pakistan”. Journal of Business Management and Economics, vol. 3, no. 6, June 2015, pp. 31-36, doi:10.15520/jbme.2015.vol3.iss6.113.pp31-36.