@INPROCEEDINGS {WINCH:1977b, title = {Selection, training and supervision of field enumerators employed for village-level economic survey}, author = {Winch, F. E. }, booktitle = {Village-level socio-economic studies workshop held at IITA, November 14-25, 1977, Ibadan}, year = {1977}, note = {Impact Assessment; Learning Material}, } |