Strategies in technical assistance
Rigney, J.A., Mcdermott, J.K., Roskelley, R.W.
Strategies in technical assistance - Raleigh 1968 - 1-57 p. - Strategies North Carolina Agricultural Experiment Station. Technical Bulletin No. 189 .
Strategies in technical assistance - Raleigh 1968 - 1-57 p. - Strategies North Carolina Agricultural Experiment Station. Technical Bulletin No. 189 .