Home › Authors › Cox, Robert G. 👤 Cox, Robert G. 3 books Books by Cox, Robert G. Dealer operations study Dealer operations study 1985 NTDRA 1983 financial analysis NTDRA 1983 financial analysis 1983 NTDRA 1979 financial & marketi NTDRA 1979 financial & marketing analyses for tire and retread service specialists 1979