By Glyn O Phillips (Phillips Hydrocolloids Research Ltd, UK), Peter A Williams (Glyndwr University
By Donald Cornell (US Department of Agriculture, USA), Magda A. El-Nokaly
By Gerald Reed, Tilak W. Nagodawithana
By Food and Agriculture Organization
By The Open University
By Open University
By OU
By Dawson, Mike
By Brian Hambling, Angelina Samaroo
By Ron Patton
By Rachel Harrison, The Open Group
By Mark Lutz
By Brian Hambling, Peter Morgan, Angelina Samaroo, Brian Hambling
By Alan John Richardson
By Thomas Connolly, Carolyn Begg
By Ludwig Reinhard, PH D
By Peter M. Collins
By Don McNeil
By Bernard Francis Gray
By Mark Coombs, Steve Rendle, John S. Mead
By Magee, Brian., Bryan
By Pete Shaner, Gerald Everett Jones
By R.G. Collingwood, T. M. Knox, R. G. Collingwood
By Peter D. Hoff
By Close, Frank
By Nuffield-Chelsea Curriculum Trust
By Joseph Schwartz, Schwartz, Joseph
By Leffingwell, Dean, Widrig, Don