1. Publication No. 99-107,1999
2. Piacitelli, G.M. and Jones, J. 1998. Small Business Needs Assessment. Presented at the Annual OSHA Consultation Conference. May1998, Albuquerque, NM.
3. Publication No. 89-103;Pedersen D.H.,1988
4. Publication No. 88-106;Seta J.A.,1988