Looking for HACCP Research Papers

Hello

Dear collegues,
i am interested in these papers, if someone have it, could send me some example (pdf):

-Khandke, S. S., & Mawes, T. (1998). HACCP Implementation: a practical guide to the implementation of the HACCP plan. Food Control, 9, 103-109.
-Mayes, T. (1999). How can the principles of validation and certification be applied to hazard analysis?. Food Control, 10, 277-280.
-Mitchell, R.T. (1998). Why HACCP fails. Food Control, 9,101.
-Mortimore, S. E., & Smith, R.A. (1998). Standardised HACCP training: assurance for food authorities. Food Control, 9, 141-145.


Thanks,

Best regards.

Cláudio

claudiotorres@portugalmail.pt

Can anyone help Cláudio.