Root cause analysis tools (251 pages)
Root cause failure analysis (RCFA) (333 pages)
Root mean square error (RMSE) (242 pages)
Root of trust (354 pages)
Unit budgeting (305 pages)
Unit contribution margin (283 pages)
Unit costs (264 pages)
Unit franchise (287 pages)
Unit trust (300 pages)
Unitary In detail

United Nations Development Programme (447 pages)
United Nations Environment Programme (368 pages)
United front (283 pages)